Posters session areas:
Foyer Balcon Debussy, level 3 for P.3, P.4, P.5 and P.8 (Cleo)
Foyer Theatre Debussy, level 1 for P.1, P.2, P.6 and P.7
P.1.115:45add P.1.1 to agenda
Amplification of 800 Gb/s PDM-DPSK Signals in a One-Pump Fiber Optical Parametric Amplifier
We demonstrate amplification of 800 Gb/s PDM-DPSK signals with a one-pump fiber optical parametric amplifier in a polarization-diversity loop. Error-free operation has been achieved with more than 10 dB on-off gain for all PDM channels.
P.1.215:45add P.1.2 to agenda
Selective Mode Conversion Using Phase Platesfor 10-Mode Fiber
We investigate mode conversion using phase plates for 10-mode fibers. Crosstalk from undesirable modes is unavoidable for mode conversion to LP11 or LP12 due to imperfection of phase-plate-based mode conversion, while it can be suppressed for LP02, LP21, and LP31.
P.1.315:45add P.1.3 to agenda
Polarization Maintaining Dispersion Compensating Fiber
For the first time fabrication results are presented for a polarization maintaining dispersion compensating fiber. Measurement of phase and group birefringence is discussed. Finally, results on splicing and a dispersion managed link are presented.
P.1.415:45add P.1.4 to agenda
Novel Technique for the CO2 Laser Fabrication of Optical Devices with Sub-Micrometer Ablation Depth Precision
We present novel techniques for the processing of fibre end face and cladding surfaces using a 9.6 µm CO2 laser. We investigate the effects of pulse duration on process parameters.
P.1.515:45add P.1.5 to agenda
New Bismuth-Doped Fiber Laser Operating at 1625 1775 nm
For the first time we have demonstrated a continuous wave Bismuth-doped germanosilicate fiber laser covering the spectral region between the emission bands of Er-doped and Tm-doped fiber lasers
P.1.615:45add P.1.6 to agenda
WideBand OM4 Multi-Mode Fiberfor Next-Generation 400Gbps Data Communications
We define the bandwidth requirements for OM4 performance within the wavelength window of 850 to 950nm. We have manufactured a MMF meeting these requirements while maintaining full compatibility with legacy OM4. This MMF enables 400Gbps using wavelength division multiplexing.
P.1.715:45add P.1.7 to agenda
An Ultra-flat Rectangular Optical Filter Based on Stimulated Brillouin Scattering in Fibre
We demonstrate a rectangular optical filter based on stimulated Brillouin scattering with bandwidth from 50 MHz to 4 GHz. The passband ripple is ~1 dB by nonlinearity management of the pump lines and using fibre with a single Brillouin peak.
P.1.815:45add P.1.8 to agenda
Measurement of Distributed Mode Coupling in a Few-Mode Fiber Using a Brillouin Optical Time Domain Reflectometer
We report non-disruptive measurement of distributed mode coupling in a five mode fiber using a spatial light modulator based Brillouin OTDR. Mode coupling between LP01 mode and higher order modes is obtained with a spatial resolution of 50 m.
P.1.915:45add P.1.9 to agenda
A Watts-Level Single-Longitudinal-Mode and KHz-Linewidth Fiber Laser Based on Gain-Controlled Active Compound Cavity
We propose a gain-controlled active compound cavity fiber laser with mode-hopping-free and single-frequency output at 1550 nm. A 3-dB linewidth of 7.1 kHz, a highly-stabilized output power of 36 dBm and a signal-to-noise ratio of 40 dB were achieved.
P.1.1015:45add P.1.10 to agenda
Intermodulation distortion analysis of an analog photonic link employing parametric phase sensitive amplification
We experimentally demonstrate the linearity of an analog photonic link employing phase sensitive parametric amplification by performing third order intermodulation distortion product measurements using two RF tones. Amplification without any distortion increase is achieved.
P.1.1115:45add P.1.11 to agenda
A Novel Take On the S^2 Dataset Modal Analysis
The S^2 standard analysis can be problematic when studying multimode systems where no mode is predominant as in space division multiplexing systems. We present a different approach taking advantage of signal correlations through Principal Component Analysis and successful experimental implementation.
P.1.1215:45add P.1.12 to agenda
Tunable Thulium-Assisted Parametric Generation of 10 Gb/s Intensity Modulated Signals Near 2 ?m
We report the demonstration of an all-fiber 10Gb/s modulation capable source near 2?m, tunable over more than 60nm with powers exceeding 2dBm, based on parametric conversion and appended Thulium amplification.
P.1.1315:45add P.1.13 to agenda
Wideband Parametric Processing with 1-dB Bandwidth of 40nm using Dispersion Stable PM-HNLF
We find the widest parametric processing bandwidth of a dispersion stable polarisation maintaining (PM) highly nonlinear fibre (HNLF) among PM-HNLFs. A wavelength conversion and a quasi-phase-matched FOPA with gain of 19 dB have 1-dB bandwidth of 40 nm.
P.1.1415:45add P.1.14 to agenda
Gain Equalization of a Six-Mode-Group Ring Core Multimode EDFA
We propose a 6-mode-group ring core multimode erbium doped fiber amplifier (RC-MM-EDFA) capable of providing almost identical gain among the six mode groups within the C band using either core- or cladding-pumped implementations.
P.1.1515:45add P.1.15 to agenda
Splicing of Few Mode Fibers
Fabrication results of three types of few mode fiber are presented including a new large area fiber. Splice performance, including splice loss and mode conversion, of the few mode fibers are evaluated.
P.1.1615:45add P.1.16 to agenda
Coherently-Pumped FWM in HNLF for 16QAM Wavelength Conversion Free of Phase Noise from Pumps
We experimentally demonstrate a 50-Gbps 16QAM wavelength conversion with < 0.2dB penalty, based on FWM in HNLF using coherent pumps. The coherent pumping makes it independent of the phase noise from pumps and enables the use of cost-effective pump laser.
P.1.1715:45add P.1.17 to agenda
Widely Tunable Picosecond-Pulsed Source near 2 um based on Cascaded Raman Wavelength Shifting
We demonstrate a cavity-less picosecond pulsed source near 2um, tunable over more than 200nm based on third order cascaded Raman wavelength shifting. Up to 44% conversion is achieved for 100mW peak powers at 200MHz repetition rate.
P.1.1815:45add P.1.18 to agenda
Distributed Birefringence Measurements Using Polarisation Correlation in Phase-Sensitive OTDR
A method based on phase-sensitive OTDR is proposed for distributed birefringence measurements along optical fibres. A high accuracy is experimentally demonstrated, enabling the characterisation of single-mode fibres with a minimum detectable birefringence of the order of 10-7.
P.2.115:45Cancelledadd P.2.1 to agenda
Waveguide-integrated Germanium Multi-quantum Well Optical Interconnects on Bulk Silicon
We demonstrate monolithic optical interconnects consisting of a passive Si0.16Ge0.84 waveguide and two active Ge/SiGe multi-quantum well devices, an optical modulator and a photodetector, using a single epitaxial growth step on bulk silicon chips. Low-voltage and broadband operation are demonstrated.
P.2.215:45add P.2.2 to agenda
Monolithic Integrated InP Receiver Chip for Coherent Phase Sensitive Detection in the C- and L-Band for Colorless WDM Applications
We demonstrate a monolithically integrated coherent receiver PIC on an InP substrate with a 120° optical hybrid and 40GHz pin-photodetectors. Moreover, the performance of the device for colorless detection of 28Gbaud 16-QAM signals in the C- and L-band is investigated.
P.2.315:45add P.2.3 to agenda
30 Gbps Bottom-Emitting 1060nm VCSEL
1060 nm VCSEL-based data transmission over 50m OM3 MMF at 30 Gbit/s is experimentally demonstrated. A highly-strained bottom-emitting QW VCSEL with p-type modulation doping is used with 3.77 mA bias and 0.55 V data amplitude.
P.2.415:45add P.2.4 to agenda
Fully-etched Apodized Fiber-to-chip Grating Coupler on the SOI Platform with -0.78 dB Coupling Efficiency Using Photonic Crystals and Bonded Al Mirror
We design and fabricate an ultra-high coupling efficiency fully-etched apodized grating coupler on the SOI platform using photonic crystals and bonded aluminum mirror. Ultra-high coupling efficiency of -0.78 dB with a 3 dB bandwidth of 74 nm are demonstrated.
P.2.515:45add P.2.5 to agenda
40 Channels x 57 Gb/s Monolithically Integrated InP-Based Coherent Photonic Transmitter
"A dual-polarization QPSK transmitter is demonstrated with a record 40 tunable distributed feedback lasers, 80 nested Mach-Zehnder-modulators, and other elements totaling over 1700 functions monolithically integrated on a single InP-based chip that is capable of delivering 2.25 Tb/s."
P.2.615:45add P.2.6 to agenda
Record-low Injection-current Strained SiGe Variable Optical Attenuator with Optimized Lateral PIN junction
We demonstrate record-low injection-current VOAs using strain-enhanced free-carrier absorption in SiGe. The strained SiGe VOA with optimized lateral PIN junction exhibits 20-dB attenuation by 20-mA/mm injection current. 2-GHz switching and error-free transmission of 50-Gbps WDM signal are also successfully demonstrated.
P.2.715:45add P.2.7 to agenda
Eight-Channel Second-Order Ring Resonator Based SOI Multiplexers/Demultiplexers for Optical Interconnects
We demonstrate two 8×1 silicon ring-based multiplexers for dual stream multiplexing. All resonances were thermo-optically tuned and spaced by 100GHz having >40GHz bandwidth. Error-free performance without significant signal degradation was obtained for two 4-channel streams at 10Gb/s.
P.2.815:45add P.2.8 to agenda
High-Performance Silicon Modulator for Integrated Transceivers Fabricated on 300-mm Wafer
We fabricated 25-Gb/s silicon modulators with side-wall gratings on a 300-mm wafer. They exhibited high modulation efficiency of V?L = 0.274 V-cm at 12.5 GHz in forward-biased mode. Equivalent-circuit parameters showed good in-wafer uniformity for stable frequency-compensated operations.
P.2.915:45add P.2.9 to agenda
Quantum dot two-mode laser at 1.55 µm-band for 90GHz radio over fiber applications
"The two-mode lasing is obtained at the telecom-band using an InAs quantum dot gain chip. The wavelengths of the two modes were 1539.73 and 1540.44 nm corresponded to the frequency separation of 89.8 GHz which generated millimeter wave signal."
P.2.1015:45Cancelledadd P.2.10 to agenda
Three-Dimensional Integrated Tapered Mode Couplers
Three-dimensional tapered mode-selective couplers fabricated in a photonic chip using the femtosecond direct-write technique are reported. These integrated mode couplers are shown to allow for mode multiplexing over extreme bandwidths, with low loss and excellent mode extinction ratios.
P.2.1115:45add P.2.11 to agenda
Demonstration of 25-Gbps Optical Data Links on Silicon Optical Interposer Using FPGA Transceiver
We demonstrated a 25-Gbps error-free data link on a silicon optical interposer. The experimental results verified that our interposer is compatible with high-performance FPGAs, and transmitter pre-emphasis and receiver equalization reduced bit error rate of the optical data link.
P.2.1215:45add P.2.12 to agenda
Low-Power 10 Gbit/s RZ-OOK All-Optical Modulation Using a Novel Photonic-Crystal Fano Switch
We demonstrate a novel photonic-crystal nanocavity switch based on a Fano resonance. Compared to conventional Lorentzian structures, the Fano resonance reduces the switching energy and suppresses patterning effects, allowing 10 Gbit/s RZ-OOK all-optical modulation with input powers < 1 mW.
P.2.1315:45add P.2.13 to agenda
Ultracompact Wavelength-Controllable Bi-Directional Optical Diode with High Nonreciprocal Transmission Ratio Based on a Silicon Microring and a Directional Coupler
We design and fabricate a simple ultracompact wavelength-controllable bi-directional optical diode. It consists of a silicon microring (nonlinear attenuator) and a directional coupler (linear attenuator). High nonreciprocal transmission (~24.2dB) is achieved. Negligible-penalty OFDM/OAM 64-QAM signaling through the diode is demonstrated.
P.2.1415:45add P.2.14 to agenda
Demonstration of 90° Optical Hybrid at 2?m Wavelength Range Based on 4×4 MMI Using Diluted Waveguide
A 4×4 MMI 90° optical hybrid for 2 ?m is designed, fabricated and characterized using a monolithically integrated MZI. A phase deviation around ±10°, Common Mode Rejection Ratio > 15.6 dB and an excess loss of 2.2 dB are obtained.
P.2.1515:45add P.2.15 to agenda
Direct Chirp Measurement of Electro Absorption Modulator Using Optical Homodyne Quadrature Demodulation Technique
" We propose a novel method to measure chirp of an electro-absorption modulator at any frequency using optical homodyne quadrature demodulation technique. Chirp parameters are directly obtained in the small-signal vector space, enabling practical chirp assessment for advanced modulation optical transmission."
P.2.1615:45add P.2.16 to agenda
Analytical Modeling for Ultra-High-Speed MicroringModulators with Electrical and Optical Dynamics
"We propose an analytical, time-domain model for microring modulators, which encompassespn-junction and resonator dynamics. It shows excellent agreement with experiment for high frequencyoperation beyond 20 GHz. Pulse-amplitude modulation is predicted for up to 80 Gb/s."
P.2.1715:45add P.2.17 to agenda
Alternative Architecture for a PON OLT Splitter/Combiner Integrated into an SFP Transceiver Module
A 1×N single-mode splitter made of (N-1) 2×2 couplers is simultaneously a low-loss N×1 optical combiner when unused 2×2 coupler ports route to a mode-coupling receiver. A PIC-based SFP transceiver module providing four class-B+ GPON OLT ports is thus realized.
P.2.1815:45add P.2.18 to agenda
Pump-Linewidth-Tolerant Optical Data Exchange between 16QAM and QPSK with 50-GHz Channel-Spacing using Coherent DFB Pump
We propose and experimentally demonstrate optical data exchange scheme between16QAM and QPSK with narrow spacing of 50GHz. The use of coherent pump makes it free of phase noise from pumps, and enables the use of low-cost DFB as pump source.
P.2.1915:45add P.2.19 to agenda
Silicon-on-Insulator Reflective Arrayed Waveguide Grating with Sagnac Loop Reflectors
A Reflective Arrayed Waveguide Grating in Silicon-on-Insulator is reported, based on Sagnac interferometers with Multimode Interference couplers reflectors. The measured performance is compared to regular AWGs on-chip. This R-AWG layout allows for customization of the response as shown with simulations.
P.2.2015:45add P.2.20 to agenda
128Gb/s DP-QPSK silicon modulator module integrated with driver amplifiers
We report a compact dual-polarization quadrature phase-shift keying (DP-QPSK) modulator module accommodating a silicon DP-QPSK modulator chip and driver amplifiers in a package of 15x35x4.5 mm3. 128-Gb/s DP-QPSK transmission in 1000-km single-mode fibre is confirmed with the compact modulator module.
P.3.115:45add P.3.1 to agenda
A Novel Optical Quantization Approach Using Spectral Shifts of OFDM Subcarriers and a Frequency Packed AWG
"A novel energy efficient optical quantization is experimentally demonstrated for the first time, based on spectral shifts of orthogonal frequency division multiplexing subcarriers. The proposed scheme achieves four bit optical quantization by using only 100 mW peak power."
P.3.215:45add P.3.2 to agenda
Tolerances for Add/Drop Operation of a Coherent Multiplexing Node based on Fiber Frequency Conversion
We experimentally investigate the impact of delay and amplitude mismatch in a recently developed coherent add/drop-multiplexer architecture. The tolerances are quantified as OSNR penalties at a bit-error ratio of 1x10-3 for a 3.2-GBd QPSK signal.
P.3.315:45add P.3.3 to agenda
Reduction of MIMO-FIR Taps via SOP-Estimation in Stokes Space for 100 Gbps Short Reach Applications
We propose a novel parallelizable DSP architecture based on coarse Stokes space SOP estimation, which reduces the number of MIMO cross taps, and avoids timing recovery failure due to differential group delay at certain SOPs.
P.3.415:45add P.3.4 to agenda
Mitigation of PMD Induced Nonlinear Noise in Stokes Vector Direct Detection Systems
PMD incurs nonlinear noise in Stokes vector direct detection systems. We propose a novel algorithm to mitigate the PMD-induced nonlinear noise. DGD tolerance is improved from 4 to 10 ps for a 93-Gb/s signal.
P.3.515:45add P.3.5 to agenda
Bitrate-Compatible Adaptive Coded Modulation for Software Defined Networks
A novel coded modulation scheme which adaptively supports multiple modulation formats for software defined networks is proposed. With the same fundamental FEC architecture, alterable bitrates can be compatibly implemented without additional hardware recourses and performance penalty.
P.3.615:45add P.3.6 to agenda
Detection of 56GBaud PDM-QPSK Generated by Commercial CMOS DAC with 11GHz Analog Bandwidth
We proposed optimal design of the post filter taps, for post filter + sequence detector receiver. The design is verified by detecting 56GBaud PDM-QPSK generated by commercial CMOS DACs with 11GHz analog bandwidth. Only 2.6dB@1e-2 penalty is observed.
P.3.715:45add P.3.7 to agenda
Bandlimited Power-Efficient Signaling for Intensity Modulation
A new, power-efficient signaling method for intersymbol interference-free transmission over the bandlimited intensity-modulation direct-detection channel is proposed. The method utilizes pulse-amplitude modulation with a sinusoidal bias function and is more power-efficient than previously known methods.
P.3.815:45add P.3.8 to agenda
Quadrature Decomposition by Phase Conjugation and Projection in a Polarizing Beam Splitter
We propose simultaneous decomposition of the two quadratures of an optical data signal to different outputs of a PBS by degenerate four-wave mixing with orthogonal pumps. The scheme is demonstrated by QPSK to 2×BPSK modulation format conversion with BER< 10-9.
P.3.915:45add P.3.9 to agenda
Complexity Reduction of Frequency-Domain Volterra-Based Nonlinearity Post-Compensation Using Symmetric Electronic Dispersion Compensation
Using symmetric electronic dispersion compensation, root-raised-cosine pulse shaping, and the DFT block length optimization, the complexity of single-step frequency domain Volterra-based fiber nonlinearity compensation is reduced by a factor of 2.4, for a 3600 km 128 Gbit/s DP 16-QAM link.
P.3.1015:45add P.3.10 to agenda
Experimental Demonstration of Single-Stage Frequency Domain Equalization for Single-Carrier Coherent Receivers
Low complexity, single-stage frequency-domain equalization supported by blind CD estimation and training-aided 2×2 MIMO channel estimation is proposed and experimentally demonstrated in a 32 GBaud Nyquist PDM-QPSK transmission system.
P.3.1115:45add P.3.11 to agenda
Performance and Complexity Comparison of Carrier Phase Estimation Algorithms for DP-64-QAM Optical Signals
A detailed simulative and experimental analysis of different CPE schemes for 64-QAM systems is presented. The best compromise between linewidth tolerance and complexity is achieved using a recently proposed multi-stage architecture, based on a modification of the standard V&V algorithm.
P.3.1215:45add P.3.12 to agenda
33% Capacity Improvement of a Direct Modulation Direct Detection OFDM Link using Adaptive Volterra Equalization
33% capacity improvement compared to best achievable performance of an unequalized direct modulation direct detection OFDM link is experimentally demonstrated. This was achieved using a Volterra equalizer whose design was optimized for this link.
P.3.1315:45add P.3.13 to agenda
Multichannel Regeneration of Dual Quadrature Signals
We demonstrate the first multi-wavelength regeneration of quadrature phase shift keyed (QPSK) formatted signals, showing a simultaneous Q2-factor improvement in excess of 3.8 dB for signals degraded by phase distortion
P.3.1415:45add P.3.14 to agenda
Dynamic Reconfiguration of Parametric Frequency Comb for Flex-Grid and Superchannel Transmitters
We propose and demonstrate a parametric frequency comb architecture with dynamically reconfigurable carrier frequency grid for superchannel and flex-grid elastic transmitters. Performance of 16-QAM signal generation was characterized for 100 GHz, 25 GHz, 12.5 GHz and 6.25 GHz frequency spacing.
P.3.1515:45add P.3.15 to agenda
Demonstration of Local-Oscillator Phase-Noise Tolerant 40 GBaud/s Coherent Transmitter
A new transmitter architecture for local-oscillator phase-noise resilient coherent transmission is introduced. The technique is experimentally implemented and less than 0.5dB penalty in the detection of 40GBaud/s data with a 5 GHz-wide LO is demonstrated.
P.3.1615:45add P.3.16 to agenda
CMA-Based CD and DGD Estimation in Presence ofExperimental Higher Order PMD
We evaluate 3 methods for CD estimation using CMA filter tap coefficients. The performanceof these methods are evaluated with respect to their accuracy and range. We also experimentallyevaluate the CD estimation performance in presence of higher order PMD.
P.3.1715:45add P.3.17 to agenda
Spectrum Superposition Based Chromatic Dispersion Estimation for Digital Coherent Receivers
We propose and experimentally demonstrate a fast blind CD estimation method based on signal spectrum superposition. With only 4096 samples, a maximum estimation error of 0.25% of the accumulated CD for 7X112 Gbps DP-QPSK WDM signal is verified.
P.3.1815:45add P.3.18 to agenda
Optical Channel De-aggregator of 30-Gbaud QPSK and 20-Gbaud 8-PSK Data Using Mapping onto Constellation Axes
We experimentally de-aggregate the 8-PSK signal onto two 4-PAM signals. QPSK signals are demultiplexed into two BPSK signals. De-aggregation performance as a function of the OSNR of the incoming signals is evaluated. The effect of phase noise is also studied.
P.3.1915:45add P.3.19 to agenda
On Maximum Likelihood Sequence Detectors for Single-channel Coherent Optical Communications
Two different detectors that account for the nonlinear signal-noise interaction in a single-channel coherent optical link are compared. The results indicate that accounting for the correlation between the samples leads to improved performance over stochastic digital backpropagation.
P.3.2015:45add P.3.20 to agenda
Bit-Rate-Tunable Noise Mitigation of 30-Gbaud QPSK Data Using Phase Quantization and Amplitude Saturation
We demonstrate all-optical noise mitigation consisting of a phase quantizer based on delay and summation of higher harmonics and an optical amplitude squeezer. We experimentally demonstrate phase noise reduction of 40% and 3dB OSNR-gain at BER10-3 for 30-Gbaud QPSK signals.
P.3.2115:45add P.3.21 to agenda
An EAM-based 50-Gbps 60-km OFDM System with 29-dB Loss Budget Enabled by SSII Cancellation or Volterra Filter
Different nonlinear compensation techniques are compared for the first time, and 57.5-Gbps 60-km IMDD OFDM transmission is achieved. The loss budget of 32 or 29 dB is demonstrated to support 40-Gbps 64-ONUs or 50-Gbps 32-ONUs over 60-km LR-PON without amplifiers.
P.3.2215:45add P.3.22 to agenda
Frequency-Domain Adaptive Equalizer with Rational Oversampling Rates in Coherent Optical Receivers
We propose a novel adaptive frequency-domain equalization (FDE) scheme in digital coherent optical receivers, which can work with rationally-oversampled input sequences using the constant-modulus algorithm (CMA). Effectiveness of the proposed scheme is verified with 10-Gbaud dual-polarization QPSK transmission experiments.
P.3.2315:45add P.3.23 to agenda
Maximizing Transmission Capacity of Superchannels using Rate-Adaptive FEC
We investigated the use of per-channel rate-adaptive FEC for superchannels, in the presence of fiber nonlinearity, inter-channel interference, and power variations. We found 3~4% peak capacity and ~ 0.3dB nonlinear power threshold increases compared to the conventional method.
P.3.2415:45add P.3.24 to agenda
Linewidth-tolerant Feed-forward Dual-stage CPE Algorithm Based on 64-QAM Constellation Partitioning
A detailed analysis of a novel low-complexity two-stage digital feed-forward carrier recovery algorithm for 64-QAM, based on the rotation of constellation points to remove phase modulation is presented. Its performance and complexity is compared with previously proposed algorithms.
P.3.2515:45add P.3.25 to agenda
Constant Modulus 4D Optimized Constellation Alternative for DP-8QAM
We propose a constant modulus 4D format as an alternative to DP-8QAM. It has 0.4dB lower SNR at BER = 10-2, and 1 dB higher span loss budget in nonlinear regime.
P.4.115:45add P.4.1 to agenda
Demonstration of Integrated Optical Path Monitoring Sub-system in CDCG-ROADM Network
We developed an integrated optical path monitoring sub-system prototype that fully integrates three functions. FSK light label monitor, in-band OSNR monitor, as well as conventional optical channel monitor, and successfully demonstrated the monitor operations for 112 Gbps DP-QPSK signals.
P.4.215:45add P.4.2 to agenda
Reduced Waiting Times Using a Fast Switching Dual-Polarization DDQPSK Receiver in a Packet Switched Network
In this paper, we demonstrate a fast switching dual polarization DDQPSK packet switched receiver with very short waiting times. The system employs mth power DDQPSK decoding for high frequency offset tolerance, and Stokes parameter estimation for robust polarization demultiplexing.
P.4.315:45add P.4.3 to agenda
All-VCSEL Based 100-Gb/s PDM-4PAM Coherent System for Applications in Metro Networks
We demonstrate an all-VCSEL based 100-Gb/s polarization-division-multiplexed 4-level pulse-amplitude-modulation coherent system using two directly modulated 1.55-µm single-mode VCSELs at the transmitter and a third VCSEL as the local oscillator. We transmit the 100-Gb/s signal over 320-km standard-single-mode-fiber.
P.4.415:45add P.4.4 to agenda
Demonstration of Ultra-compact Contentionless-ROADM based on Flexible Wavelength Router
We for the first time experimentally demonstrate an ultra-compact CDC-ROADM based on a novel flexible wavelength router (FlexWR) with eight connected ports. BER penalties are < 0.3 dB for All Add, Drop and Express paths.
P.4.515:45add P.4.5 to agenda
0.73-W Extremely Low-Power-Consumption Optical Amplifier Repeater for 10G-EPON Systems
We report an extremely low-power-consumption (0.73-W) optical amplifier repeater, which consists of an uncooled semiconductor optical amplifier and an erbium-doped fiber amplifier pumped by uncooled laser, for the first time. We have successfully demonstrated a 64-way split, 60-km 10G-EPON system.
P.4.615:45add P.4.6 to agenda
Electrically-Controlled Optical Phase Shifter for Broadband Radio Orbital Angular Momentum Mode Generation
The electrically-controlled optical phase shifter (ECO-PS) is proposed and experimentally investigated for broadband radio orbital angular momentum mode generation. ECO-PS can offer the same advantages as optical true time delay schemes while avoids their phase-frequency dependence.
P.4.715:45add P.4.7 to agenda
40 Gb/s Data Transmission over a 1 m Long Multimode Polymer Spiral Waveguide
We report record error-free data transmission of 40Gb/s over a 1m-long multimode polymer spiral waveguide. The waveguide imposes no significant transmission impairments in the link despite its highly-multimoded nature and long length, demonstrating its potential in high-speed board-level optical interconnections.
P.4.815:45add P.4.8 to agenda
Avalanche Photodiode Enhanced PAM-32 5 Gb/s LED-POF Link
Record error-free 5 Gb/s data transmission over 25 m of SI-POF is demonstrated in an LED-POF link using a PAM-32 modulation scheme. The APD-based receiver is shown to provide 8 dB greater link power budget over a PIN photodiode-based link.
P.4.915:45add P.4.9 to agenda
Performance Assessment of Optical Packet Switching System with Burst-Mode Receivers for Intra-Data Center Networks
We investigate the performance of a burst-mode receiver in an optical packet switching system. Experimental results indicate that a preamble of 25.6ns allows error-free operation of 10Gb/s asynchronous switched packets with 8dB dynamic range and 25ns minimum guard-time
P.4.1015:45add P.4.10 to agenda
Flexible bandwidth 448 Gb/s DMT Transmission for Next Generation Data Center Inter-Connects
We experimentally evaluate a flexible DMT system using 4 to 8 50-GHz-grid C-band channels to transmit 448 Gb/s over up to 240 km SSMF. VSB filtering enabled by detuned lasers significantly reduces the impact of chromatic dispersion.
P.4.1115:45add P.4.11 to agenda
1x4 Optical Packet Switching of Variable Length 640 Gbit/s DataPackets using In-Band Optical Notch-Filter Labeling
We experimentally perform 1x4 optical packet switching of variable length 640 Gbit/s OTDM data packets using in-band notch-filter labeling with only 2.7-dB penalty. Up to 8 notches are employed to demonstrate scalability of the labeling scheme to 1x256 switching operation.
P.4.1215:45add P.4.12 to agenda
Intensity-Modulated / Direct-Detection (IM/DD) Nyquist Pulse-Amplitude Modulation (PAM) Signaling for 100-Gbit/s/? Optical Short-reach Transmission
We propose a new high-speed optical IM/DD transmission scheme employing Nyquist-shaped PAM4 and PAM6 signaling with digital signal processing for short-reach applications and experimentally demonstrate its 100-Gbit/s operation over 2-km singe mode fiber at 1.5 ?m band.
P.4.1315:45add P.4.13 to agenda
DFB laser reallocation by Thermal Wavelength Control for Statistical udWDM in PONs
We demonstrate a simple fast method of laser wavelength channel switching for the wavelength mangement of UDWDM-PONs where the ONUs have source wavelengths with random distribution and are controlled with limited thermal tunability
P.4.1415:45add P.4.14 to agenda
Non Quadrature Intensity Modulation Formats
"We introduce the novel 2D Non-Quadrature Intensity Modulation Formats (NQIM) generated with two phase-rotated intensity modulators. We particularly highlight the optimum ""Diamond"" 2?/3 phase enabling spectrally efficient and noise tolerant 4-8 NQIM solutions for integrated transmitters"
P.4.1515:45add P.4.15 to agenda
Demonstration of Simultaneous Demultiplexing of Multiple Orbital Angular Momentum (OAM) Modes and Arbitrary Demultiplexed Beam Steering Using a Single Complex Phase Mask
We report simultaneous multi-OAM demultiplexing and arbitrary beam steering using a single complex phase mask. OFDM-32QAM signals over two OAM modes are carried out. Demultiplexing of eight OAM modes and arbitrary beam steering are demonstrated.
P.4.1615:45add P.4.16 to agenda
In-band OSNR Estimation for Nyquist WDM Superchannels
An in-band OSNR estimator exploiting the cyclostationarity of Nyquist WDM superchannels, prior to dynamic equalization in a digital coherent receiver, is demonstrated with an estimation accuracy .5dB for roll-offs higher than 0.21 for DP-16QAM and 0.15 for DP-QPSK.
P.4.1715:45add P.4.17 to agenda
Monitoring Optical Modulation Amplitude using a Low-Power CMOS Circuit for Thermal Control of Si Ring Transmitters
We propose a novel low-power CMOS circuit to monitor the optical modulation amplitude of a Si ring modulator, and successfully demonstrate its operation in a wire-bond integrated CMOS Si photonic ring transmitter.
P.4.1815:45add P.4.18 to agenda
Multiple input to multiple output switching in an 8x4 optical crosspoint matrix
Simultaneous and dynamic routing between eight paths is studied in a fifth-order resonant based 8x4 switch matrix. Device performance is analyzed in terms of time-gated bit error rates to give power penalties below 1.1dB.
P.4.1915:45add P.4.19 to agenda
Mitigation of Filtering Cascade Penalties using Spectral Shaping in Optical Nodes
We experimentally evaluate filtering penalties due to channel add/drop in optical nodes for 32GBd PM-8QAM and PM-16QAM signals, transmitted over 37.5GHz WDM grid. Optical spectral shaping is employed in each node to mitigate optical filtering penalties.
P.4.2015:45add P.4.20 to agenda
Stimulated Raman Scattering (SRS) Crosstalk Management in Pilot Tone Based Monitoring System for WDM Networks
We propose a novel and low-cost SRS crosstalk management scheme in pilot tone based monitoring system. An experiment on 40-channel WDM system demonstrated the monitoring deterioration due to SRS crosstalk was greatly mitigated.
P.5.115:45add P.5.1 to agenda
Experimental Comparison of Two 8-QAM Constellations at 200 Gb/s over Ultra Long-Haul Transmission Link
We report on the non-linear performance comparison between two 8QAM modulation formats using Nyquist pulse shaping. Although less tolerant to phase noise and frequency detuning, we show that the Circular-8QAM format outperforms the Star-8QAM by 0.5 dB after transmission.
P.5.215:45add P.5.2 to agenda
Unrepeatered Transmission over 253.4 km Ultra Low Loss Fibre Achieving 6.95 (b/s)/Hz SE using EDFA-only Pre-amplifier
A 560 Gb/s (7x80 Gb/s Nyquist spaced PDM-16QAM) superchannel achieving 6.95 (b/s)/Hz spectral efficiency is transmitted over 253.4 km SMF-28® ULL fibre using only EDFA pre-amplification and full-field digital back-propagation, corresponding to a record SE-distance product of 1761.1 b/s/Hz·km.
P.5.315:45add P.5.3 to agenda
Kerr Nonlinearity Compensation in a 5×28-GBd PDM 16-QAM WDM System Using Fiber-Based Optical Phase Conjugation
Effective Kerr nonlinearity mitigation is experimentally demonstrated using optical phase conjugation in the middle of an 800-km dispersion compensated link for a 5-channel WDM 28-GBd PDM 16-QAM signal. A Q-factor improvement of 0.9 dB over no mitigation allows a BER< 3.8×10-3.
P.5.415:45add P.5.4 to agenda
Regenerations Savings in Coherent Optical Networks with a New Load-dependent Reach Maximization
We propose a new load-dependent reach maximization procedure in dispersion-uncompensatedoptical networks with coherent detection, and estimate the electro-optic regenerationssavings with respect to the standard full-load reach approach.
P.5.515:45add P.5.5 to agenda
Multidimensional Optimization of Optical Spectral Shaping for Fiber Nonlinearities Mitigation in High Baud-Rate Systems
We experimentally demonstrate a multidimensional global optical spectral shaping optimization based on genetic algorithm for fiber nonlinearities mitigation in a 56-GBd PDM-QPSK transmission system. The proposed method increased maximum reach by 24%, reducing transmission penalties by up to 1.8 dB.
P.5.615:45add P.5.6 to agenda
Mitigation of inter-channel nonlinear interference in WDM systems
We demonstrate mitigation of inter-channel nonlinear interference noise (NLIN) in WDM systems for several amplification schemes. Using a practical decision-directed recursive least-squares algorithm, we take advantage of the temporal correlations of NLIN to achieve a notable improvement in system performance.
P.5.715:45add P.5.7 to agenda
High Spectral Efficiency Transmission Emulation for Non-Linear Transmission Performance Estimation for High Order Modulation Formats
We demonstrate a simple method to experimentally evaluate nonlinear transmission performance of high order modulation formats using a low number of channels and channel-like ASE. We verify it's behavior is consistent with the AWGN model of transmission.
P.5.815:45add P.5.8 to agenda
Nonlinear Noise Waveform Estimation for Arbitrary Signal Based on Nyquist Nonlinear Model
The intra-channel nonlinear noise waveform of arbitrary signal is estimated by proposed Nyquist nonlinear model. The model can reach accuracies more than 95% and is applicable for various scenarios including NRZ/Nyquist formats and transmitter side dispersion pre-compensation.
P.5.915:45add P.5.9 to agenda
Impact of Fiber Nonlinearity on Duobinary-QPSK in Super-Nyquist WDM Transmission
We numerically confirm that duobinary-pulse format suffers larger nonlinear impairment than NRZ and Nyquist-pulse formats. Nonlinearity-induced penalty, however, is found to be constant against the channel spacing in super-Nyquist WDM transmission. Also, we evaluate the benefit of digital nonlinear compensation.
P.5.1015:45add P.5.10 to agenda
Linear and Nonlinear Impairment Mitigation in a Nyquist Spaced DP-16QAM WDM Transmission System with Full-Field DBP
A RRC filter with a 0.1% roll-off factor reduces the impact of linear crosstalk-induced penalty in a Nyquist spaced 10GBd DP-16QAM transmission system with a net ISD of 7.47(b/s)/Hz and the maximum reach is extended to 1940km using full-field DBP.
P.5.1115:45add P.5.11 to agenda
Adaptive Channel Tracking and Bit-Power Reallocation for 100Gb/s Uncooled DMT Transceiver
The DMT channel condition may change in the uncooled transceivers. Based on proposed channel tracking and bit-power reallocation, the BER limitation is always satisfied in the single lane 116Gb/s transmission over 10km SSMF when the temperature changes 50?
P.5.1215:45add P.5.12 to agenda
On the Impact of Non-Linear Phase-Noise on the Assessment of Long-Haul Uncompensated Coherent Systems Performance
We accurately characterize nonlinear phase noise in uncompensated coherent optical systems. We find that, though present, its impact on system performance is typically negligible in a wide range of practical system scenarios.
P.5.1315:45add P.5.13 to agenda
Robust Cognitive-GN BER Estimator for Dynamic WDM Networks
We introduce and experimentally demonstrate a simple yet reliable and fast tool for estimating BER of lightpaths over uncompensated links. The model provides accurate estimates for capacity upgrade scenarios when modulation format order is increased.
P.5.1415:45add P.5.14 to agenda
Network Survivability Field Trial over Brazilian Legacy Optical Fiber Links through Advanced Transponder Reconfiguration
We propose a method for optical link survivability preservation by acting on the transmitter launch power and bit rate, and on the receiver DSP for linear/nonlinear impairments compensation. We validated the method for a legacy high-loss Brazilian network.
P.5.1515:45add P.5.15 to agenda
First Quantum Secured 10-Gb/s DWDM Transmission over the Same Installed Fibre
We present the first field trial of a quantum-secured DWDM transmission system, where real time refreshed quantum keys and 4×10Gb/s encrypted data are simultaneously transmitted over 26km of installed fibre. Scalability to over 40 channels is analyzed.
P.5.1615:45add P.5.16 to agenda
10×440-Gb/s Super-Nyquist-Filtered Signal Transmission over 3000-km Fiber and 10 Cascaded ROADMs with 100-GHz Grid based on Single-Carrier ETDM 110-GBaud QPSK
The highly filtering-tolerant performance of the 9-QAM liked super-Nyquist signal is experimentally demonstrated. Using this scheme, we successfully transmit 10 channels 440-Gb/s signal over 3000-km fiber and 10 cascaded ROADMs with 100-GHz grid based on single-carrier ETDM 110-GBaud QPSK.
P.5.1715:45add P.5.17 to agenda
FEC Overhead Optimization for Long-Haul Transmission of PM-16QAM based 400Gb/s Super-Channel
We optimize the FEC-OH of dual-carrier PM-16QAM 400Gb/s super-channel, considering the tradeoff between FEC net coding gain and performance penalties due to limited DAC/ADC bandwidth. At optimum FEC-OH (~29%), WDM transmission of 400Gb/s super-channel over 2150km LAPSCF is experimentally demonstrated.
P.5.1815:45add P.5.18 to agenda
Impact of Pulse Roll-off and Dispersion Map on the Performance of 50 GHz-Spaced 32 GB PDM-QPSK Systems
The impact of spectral roll-off and dispersion map on the peformance of dispersion-managed 50 GHz spaced 32 GBd PDM-QPSK WDM systems is experimentally studied. Pulse-shaping related nonlinear penalty, impact of polarization interleaving on performance stability, and cycle-slip issues are addressed.
P.5.1915:45add P.5.19 to agenda
C-band 56Gbps Transmission over 80-km Single Mode Fiber without Chromatic Dispersion Compensation by UsingIntensity-Modulation Direct-Detection
C-band 56Gbps transmission over 80-km single mode fiber without chromatic dispersion compensation is realized by using discrete multi-tone modulation based on low cost electro-absorption modulated laser and receiver. The required OSNR of 26.3 dB at BER of 4E-3 is achieved.
P.5.2015:45add P.5.20 to agenda
81 Gb/s WDM Transmission at 2µm over 1.15 km of Low-Loss Hollow Core Photonic Bandgap Fiber
This paper presents WDM transmission at 2µm over 1.15km of HC-PBGF with wavelength channels selected to span a 36.3nm waveband. A total capacity of 81Gbit/s was achieved using 4×12.5Gbit/s NRZ-OOK external modulation and 4×7.7Gbit/s 4-ASK Fast-OFDM direct modulation signals.
P.5.2115:45add P.5.21 to agenda
Uncooled Orthogonal DWDM using discrete laser sources for low-cost datacommunication applications
We show experimentally and through simulations how discrete laser sources can be used in uncooled DWDM systems by exploiting orthogonal coding. This low-cost solution reduces power consumption over traditional DWDM systems by 49%
P.5.2215:45add P.5.22 to agenda
An Error Probability Approach for Quantifying Physical Layer Security of MIMO-SDM Systems
We study the achievable bit-error-ratio of a wire-tapping eavesdropper in a MIMO-SDM system as a function of the channel code rate chosen by the legitimate transponder-pair. This rate-distortion formulation provides a practically specifiable system security quantification.
P.5.2315:45add P.5.23 to agenda
Critical dependence of capacity in MDL-impaired SDM systems on the amplification scheme and the effect of SNR randomness
We show that system performance depends critically on the way the amplifiers are operated, with the randomness of the mode-averaged SNR being a critical factor, which has eluded the majority of previous studies.
P.5.2415:45add P.5.24 to agenda
Electronic Dispersion Pre-Compensation in PM-QPSK Systems over Mixed-Fiber Links
Dispersion pre-compensation is shown to potentially lead to a substantial non-linearity reduction in PM-QPSK links that use a mixture of high and low dispersion fibers. However, the much larger PAPR of the pre-compensated signal poses challenging requirements on the transmitter.
P.5.2515:45add P.5.25 to agenda
1 Tbit/s Three-carrier Dual Polarization 16-QAM Superchannel Transmission Over 1500 km Using Modified Fixed Look-Up Table Based MAP Detection
Transmission of a three-carrier 1.206 Tbit/s dual polarization 16-QAM superchannel over 1500 km of SMF is demonstrated using a modified fixed look-up table based maximum-a-posteriori detector to mitigate pattern-dependent distortion in the transmitted signal due to the high symbol rate.
P.6.115:45add P.6.1 to agenda
"Can the limits of the ""contentionless"" add/drop stages degrade importantly the benefit of superchannels in the WDM networks?"
In an optical cross-connect, we study how the maximum number of carriers each add/drop stage can accommodate impacts the benefit of elastic spectral efficiency based on superchannel
P.6.215:45add P.6.2 to agenda
Flow Burst Conversion for Large-scale Optical Layer-2 Switch Network based on Scale-out Flow Control Method
We report a flow burst conversion system for efficient flow aggregation supporting virtualmachine migration in future metro networks. Experimental results show the routes of flows were changed at high speed via optical TDM paths while accommodating 100k flows.
P.6.315:45add P.6.3 to agenda
Impact of SBVTs based on Multi-wavelength Source During Provisioning and Restoration in Elastic Optical Networks
Slice-ability provided by SBVTs is exploited in EONs to increase provisioned and recovered traffic. SBVTs based on multi-wavelength sources are subject to additional constraints but increase spectrum efficiency. We evaluate the impact of those SBVTs during both provisioning and restoration.
P.6.415:45add P.6.4 to agenda
Demonstration of Reconfigurable Virtual Data Center Networks Enabled by OPS with QoS Guarantees
We demonstrate a reconfigurable virtual datacenter network by utilizing statistical multiplexing offered by scalable and flow-controlled optical switching system. Results show QoS guarantees by the priority assignment and load balancing for applications in virtual networks
P.6.515:45add P.6.5 to agenda
On Efficient Utilization of Transceivers for Shared Restoration in Flexible Grid Optical Networks
We propose transceiver sharing schemes at ROADM nodes for shared restoration in flexible grid optical networks in order to improve the utilization of transceivers for backup paths. The flexible ROADM architecture with a pool of transceivers achieves the highest utilization.
P.6.615:45add P.6.6 to agenda
Flexible and Synthetic SDM Networks with Multi-core-Fibers Implemented by Programmable ROADMs
"This study looks into planning issues for synthetic SDM networks implemented through programmable ROADMs. Results show that significant savings in switching modules and energy can be attained by exploiting the flexibility inherent in programmable ROADM through a proper network design. "
P.6.715:45add P.6.7 to agenda
Interconnected Traffic Engineering Domains: A Proof of Concept for packet-optical Convergence
" Multi-Layer networks require alignment of topology information between layers to avoid routing loops and delayed convergence. We describe multi-vendor packet-optical integration using link abstraction utilizing SRLG to provide the necessary basis for coordinated between layers."
P.6.815:45add P.6.8 to agenda
Experimental Validation of Active Frontend - Backend Stateful PCE Operations in Flexgrid Optical Network Re-optimization
A PCE-based strategy for LSP re-optimization in flexgrid optical networks is experimentally validated. A front- and back-end stateful PCE architecture is deployed, wherein automatic and coordinated operations (e.g., computation delegation, database synchronization, etc.) are demonstrated using PCEP and BGP-LS protocols.
P.6.915:45add P.6.9 to agenda
Assessment of Flexgrid Technologies in the MAN for Centralized BRAS Architecture Using S-BVT
We numerically analyze a flexgrid metro network scenario identifying the requirements for BRAS centralization. A cost-effective S-BVT architecture based on MB-OFDM and DD with DSP-enabled software-defined flexible/adaptive capabilities is proposed and experimentally evaluated for supporting multiple 10Gb/s connections.
P.6.1015:45add P.6.10 to agenda
Optical Network Optimization Considering Maintenance-Related Operational Expenditure
We propose a highly reliable optical network architecture which optimizes total cost considering maintenance-related Operational Expenditure (OPEX). Numerical evaluations show that the proposed architecture achieves lower total cost compared to conventional one with 1+1 protection.
P.6.1115:45add P.6.11 to agenda
A Deterministic Small-World Topology based Optical Switching Network Architecture for Data Centers
A novel optical switching network architecture is proposed for intra-data center interconnection. We innovatively introduced the deterministic small-world theory into optical network design and numerically verified the good scalability and fault tolerance of our proposed architecture.
P.6.1215:45add P.6.12 to agenda
Dynamic Provisioning Utilizing Redundant Modules in Elastic Optical Networks Based on Architecture on Demand Nodes
Survivable synthetic ROADMs are equipped with redundant switching modules to support failure recovery. The paper proposes a dynamic connection provisioning strategy which exploits these idle redundant modules to provision regular traffic resulting in a substantial improvement in the blocking performance.
P.6.1315:45add P.6.13 to agenda
Upgrading to Low Loss ROADMs and Additional Line Amplifiers for Increased Capacity in EDFA and Raman Flexgrid Networks
Targeted use of low noise ROADMs and Raman amplifiers provide increased network capacity for minimal additional equipment. For Raman amplifiers with frequency granularities of 50GHz and 12.5GHz, 19.5Tbps and 30Tbps extra network capacity is available for BT's core network
P.6.1415:45add P.6.14 to agenda
A Distributed Stateful PCE-based Architecture for Providing End-to-end Connections in Multi-domain Multi-vendor Optical Networks
A distributed architecture based on stateful PCE is proposed to realize end-to-end connection provisioning in multi-domain multi-vendor optical networks. We report a successful field trial of end-to-end connection establishment across three domains using commercial devices from three equipment venders.
P.6.1515:45add P.6.15 to agenda
When and How Should the Optical Network Be Upgraded to Flexible Grid?
This paper addresses the problem of gradual migration from fixed grid to flexible grid. We discuss how to perform spectrum assignment in mixed fixed/flex grid networks, propose and compare three upgrade strategies under two traffic models in different network scenarios.
P.6.1615:45add P.6.16 to agenda
On the Benefits of Differentiating the Filter Configurations in Flexi-grid Optical Networks
An effective strategy exploiting differentiated filter configurations in flexi-grid optical networks is proposed and evaluated. Results show that 15% throughput improvements can be achieved with respect to traditional flexi-grid approaches.
P.6.1715:45add P.6.17 to agenda
Reachability Matrix and Directed Search-Based Optical Path Computation for Large Optical Networks
We demonstrate for the first time computation of both single and disjoint regenerated paths using all-optical reachability matrix and hierarchical guided search, scaling to optical networks with thousands of nodes.
P.6.1815:45add P.6.18 to agenda
Demonstration of control plane interoperability with integrated optical ports in multi-vendor scenarios
Integrated DWDM ports in routers reduce the CAPEX investment, but control plane complexity is increased as the IP router transponder becomes part of the optical domain. This work demonstrates the control plane interoperability between the IP and the optical vendors.
P.6.1915:45add P.6.19 to agenda
Programmable Optical Packet/Circuit Switched Data Centre Interconnects: Traffic Modeling and Evaluation
A programmable all-optical data center network architecture with great scalability and flexibility is proposed and evaluated by a statistic data center traffic model to obtain the best utilization efficiency for optical packet/circuit switched network.
P.6.2015:45add P.6.20 to agenda
Network Function Virtualization Enabled Optical Transport Node toward Future Optical Networks
A novel optical transport node architecture enabling network function virtualization is proposed with the corresponding control plane framework. The proposed node architecture is emulated by commercial equipment and is validated by the experimental results.
P.6.2115:45add P.6.21 to agenda
Multiflow Transponders for Provisioning of Asymmetric Traffic in Elastic Optical Networks with Dedicated Path Protection
The impact of traffic asymmetry on usage of multiflow transponders (MFTs) in elastic optical networks with dedicated path protection is examined. Based on experiments performed on European network, acceptable costs of MFTs, with respect to 100G WDM transponders, are evaluated.
P.6.2215:45add P.6.22 to agenda
Two-Tier Optimized Network Design for IP-Optical Layer Integration
We propose two-layer optical network architecture that can change IP-level network scale dynamically, by making virtual node function composed of several distantly positioned OXCs. Two-layer optimization method based on GA is newly proposed to locate optical paths configuring such networks.
P.6.2315:45add P.6.23 to agenda
Dynamic Spectrum and Core Allocation Reducing Costs of Architecture on Demand Nodes
We propose novel optical node arhchitecture based on the Architecture on Demand concept with sophisticated spectrum and core allocation in Multi-Core Fiber Elastic Optical Networks. More than 85% of flexible spectrum selective switches can be reduced by replacing fixed-grid MUXs/DEMUXs
P.7.115:45add P.7.1 to agenda
Mitigation of Rayleigh Backscattering and Reflection Crosstalk in NG-PON2 through Wavelength-Stack Shifting
Wavelength stacking of NG-PON2 is exploited for optical frequency-set translation in remotely seeded ONUs. Negligible transmission penalties of 1.5 dB have been achieved over field-deployed 40km single-feeder PON with GPON class B+ budget and low signal-crosstalk ratio of 4 dB.
P.7.215:45add P.7.2 to agenda
6.25Gb/s Differential Duobinary Transmission in 2GHz BW Limited Direct Phase Modulated DFB for udWDM-PONs
A differential duobinary codification is proposed for directly phase modulating a 2GHz BW equalized DFB laser. The method was tested with homodyne coherent detection achieving 6.25Gb/s bitrate transmission with -38.5dBm Rx sensitivity at BER=10-3.
P.7.315:45add P.7.3 to agenda
Simple and Low Cost 10 Gb/s Coherent Transmission for Long Reach PON
131 km transmission (typical LR-PON distance) at 10Gb/s over G.652 fiber is demonstrated exploiting a direct modulated (DM) DFB laser, coherent receiver and electrical filtering obtaining an innovative chirp managed approach. No dispersion compensation (optical or DSP) is exploited.
P.7.415:45add P.7.4 to agenda
Wavelength-Transparent Long-Reach-High-Split TWsDM-PON Utilized by a Non-Gated Parallel Cascade of Linear SOAs
We demonstrate the first long-reach and high-split TWsDM-PON utilizing a non-gated parallel cascade of linear SOAs. A fiber reach of up to 100 km and up to 2048 customers are achieved in non-wavelength routed outside plants.
P.7.515:45add P.7.5 to agenda
Demonstration of Low DSP Requirements for FDMA PON
We demonstrate the bidirectional real-time operation of an FDMA-PON using commercially available low-cost RF transceivers. Performance in terms of Packet Error Rate (PER) versus optical loss budget is assessed showing less than 1% PER up to 30dB of loss.
P.7.615:45add P.7.6 to agenda
TDMA-Based OLT Sharing Method to Improve Disaster Tolerance in Elastic Lambda Aggregation Network
To improve disaster tolerance in optical access and aggregation network, Elastic Lambda Aggregation Network (E?AN) has been proposed. This paper proposes a novel TDMA based OLT sharing method among ONU groups in E?AN.
P.7.715:45add P.7.7 to agenda
The Fastest Visible Light Transmissions of 662 Mb/s by a Blue LED, 600 Mb/s by a Red LED, and 520 Mb/s by a Green LED based on Simple OOK-NRZ Modulation of a Commercially Available RGB-type White LED
We have demonstrated in frequency-response improvements by proposed techniques for a high-power RGB-type white LED. And we have first confirmed the maximum speed of a 662 Mbit/s OOK-NRZ visible light transmission by a single LED with no expensive optical filter.
P.7.815:45add P.7.8 to agenda
DSP-Based Focusing over Optical Fiber Using Time Reversal
A time-reversal array in multimode fiber is proposed for lossless switching using passive optical splitters. Numerical investigations are performed, and a two-transmitter array that routes a 3GBd QPSK signal through the physical layer is demonstrated experimentally.
P.7.915:45add P.7.9 to agenda
SSII Cancellation in 40Gbps VSB-IMDD OFDM System Based on Symbol Pre-distortion
We propose and experimentally demonstrate a 40Gbps downstream TD-VSB-IMDD OFDM PON scheme with symbol pre-distortion that greatly reduces the computational complexity of ONUs. 1.4dB and 2.3dB sensitivity improvement are demonstrated over 60km and 100km transmission.
P.7.1015:45add P.7.10 to agenda
TWDM-PON-compatible 10 Gbps Burst-mode coherent reflective ONU achieving 31 dB ODN loss using DFB lasers
We present a self-coherent reflective PON demonstrator, TWDM-PON compatible, running at 10 Gbps upstream bit rate per ONU using commercial DFB lasers, achieving 31 dB ODN loss at BER=10-3 over splitter-based PON in TWDM-like burst mode operation
P.7.1115:45add P.7.11 to agenda
Long reach Quantum Dash based Transceivers using Dispersion induced by Passive Optical Filters
We investigate the small signal frequency response for a low chirp Quantum Dash directly modulated laser in combination with an off-the-shelf passive optical filter. We report the enhancement of channel-bandwidth and the eye reshaping using such a transmitter assembly.
P.7.1215:45add P.7.12 to agenda
Polarization Independent Single-PD Coherent ONU Receiver with Centralized Scrambling in udWDM-PONs
A centralized polarization scrambling and single-PD coherent ONU Rx system is proposed and tested with two Tx and direct-phase modulated DFBs. Polarization independence at the Rx, and a sensitivity at BER=10-3 of -45dBm with 7.5GHz channel spacing were achieved.
P.7.1315:45add P.7.13 to agenda
Photonic Quaternary Phase-shift keying Signal Generation at the Millimeter-wave Frequency Band
Photonic QPSK signal generation with tunable carrier frequency is proposed using a tunable comb filter with the phase control of two binary bits. 20Gb/s QPSK signals at the carrier frequency of ~40, ~60, ~80GHz are experimentally generated.
P.7.1415:45add P.7.14 to agenda
Infrastructure Impact on Transmission Performances of Self Seeded DWDM Colorless Sources at 2.5Gbps
We describe the effect of back reflections, crosstalk and demultiplexing on self seeded cavities. Even if the demultiplexing leads to signal impairments on the BER performances, we observed that crosstalk does not affect the transmission.
P.7.1515:45add P.7.15 to agenda
Fast and Simple Fault Monitoring for Long-reach Passive Optical Networks
We propose a fast and simple monitoring system based on multi-wavelength bi-directional transmission reflection analysis approach for long-reach passive optical networks. Both experimental and simulation results have demonstrated the proposed system can reach high accuracy for fault localization.
P.7.1615:45add P.7.16 to agenda
Free Space Optics Hybrid PTMP Advanced Modulation Bi-directional PON
We experimentally demonstrate a 12x10Gb/s bi-directional hybrid SSMF and FSO PHY PON recurring to 6.25 GHz grid, Nyquist shaping and frequency-shifting. 30.5 dB ODN is achieved over an 80 km SSMF. Besides, Hybrid splitting and TWDM coexistence performances are evaluated.
P.7.1715:45add P.7.17 to agenda
Non-overlapping Downlink and Uplink Wavelength Reuse in WDM-PON Employing Microwave Photonic Techniques
A novel method is proposed to aggregate both downlink and uplink light sources in OLT for ease of WDM-PON system control and management with low bidirectional transmission impairments. 5-Gbit/s and 12.5-Gbit/s transmission experiments are conducted.
P.7.1815:45add P.7.18 to agenda
Characterization and Mitigation of Nonlinear Intermodulations in Multichannel OFDM Radio-over-Fiber Systems
Nonlinear intermodulations (IMs) between subcarriers from multiple bands/channels of OFDM signals in radio-over-fiber systems are investigated for the first time. Both intra-channel and inter-channel IMs are characterized theoretically and experimentally. Pre-distortion technique is proposed and demonstrated for nonlinearity mitigation.
P.7.1915:45add P.7.19 to agenda
Impact of TWDM on Optional Real-Time QPSK WDM Channels
We experimentally demonstrate in real-time mode operation the coexistence of a digital coherent PON architecture based on UDWDM QPSK with a NGPON2 system based on TWDM OOK. Using simple DSP-based ONU, guard bands of 100 GHz are achieved.
P.7.2015:45add P.7.20 to agenda
Experimental Evaluation of Burst-mode Operation of a RSOA-based Self?seeded Transmitter
We experimentally evaluate burst-mode operation of an RSOA-based self-seeded transmitter at 2.5 Gb/s by recognizing, during the cavity build-up, different evolution of the optical power, which reaches steady-state faster than the spectrum. BER curves explore both initial and full-regime roundtrips.
P.7.2115:45add P.7.21 to agenda
Full-duplex WiFi Analog Transmission in RSOA-basedRadio-over-Fiber System with Wavelength-reuse
We experimentally demonstrate the transmission of full-duplex analog WiFi uplink and downlink at 10 MHz IF and 2.4 GHz RF, respectively. The BER is below FEC-threshold for 64QAM for transmissions of up to 20 km single mode fiber.
P.7.2215:45add P.7.22 to agenda
Impact of ONU Tuning Time in TWDM-PON with Dynamic Wavelength and Bandwidth Allocation: An FPGA-based Evaluation
This experimental evaluation based on FPGAs shows that dynamic wavelength allocation in TWDM-PON reduces the average frame delay if the ratio between the ONU tuning time and the slot time is small.
P.7.2315:45add P.7.23 to agenda
Experimental demonstration of 51.56 Gbit/s PAM-4 at 900nm and impact of level dependent RIN
We demonstrate robust error-free transmission of 51.56 Gbit/s PAM-4 over multiple examples of 100m of OM4 and OM3 fiber with 900nm VCSELs. Intensity dependent RIN is shown to improve performance prediction and impairment assessment.
P.7.2415:45add P.7.24 to agenda
Demonstration of Software-Defined Flexible-PON with Adaptive Data Rates between 13.8 Gb/s and 5.2 Gb/s Supporting Link Loss Budgets between 15 dB and 35 dB
We demonstrate a software-defined flexible-PON using 4-GSa/s DAC/ADC, IM/DD, adaptive bit-loading, and OFDM signal processing. We achieve adaptive data rates ranging between 13.8Gb/s and 5.2Gb/s with power loss budgets between 15dB and 35dB by using only 1.95GHz RF bandwidth.
P.8.115:45add P.8.1 to agenda
Numerical Investigation into the Dynamics of Externally-Injected, Gain-Switched Lasers for Optical Comb Generation
We present simulation results of the nonlinear dynamics of externally-injected, gain-switched laser comb sources. We implement a fully-stochastic laser model and highlight the trade-off between the number of comb lines and the noise properties of the comb.
P.8.215:45add P.8.2 to agenda
Topological Dissipative Solitons in Semiconductor Lasers
We analyze the formation of non dispersive solitary waves along the propagation dimensionof a ring semiconductor laser with coherent forcing. We measure their phase dynamics and show thatthey can host a topological charge.
P.8.315:45add P.8.3 to agenda
M-ary Phase Shift Keying Receiver Beating the Standard Quantum Limit for any Signal Power
We analyze a novel quantum receiver for M-ary phase-shift keyed signals that outperforms the standard quantum limit for any signal power. We provide a detailed analysis of its robustness against realistic imperfections and discuss the achievable mutual information.
IMPORTANT DATES FOR AUTHORS:
Deadline for postdeadline papers submission
Monday 8 September, 2014 at 23:59 CEST (time of Cannes)
Monday 22 September, 2014: Author notification of acceptance/reject
ECOC 2014 CONFERENCE
21 - 25 September 2014
ECOC 2014 EXHIBITION
22 - 24 September 2014
ADVA OPTICAL NETWORKING
PRYSMIAN GROUP - DRAKA
THALES ALENIA SPACE
CNOP - COMITE NATIONALE D'OPTIQUE ET DE PHOTONIQUE
IEEE PHOTONICS SOCIETY
OPTITEC - POLE PHOTONIQUE & IMAGERIE
SEE - SOCIETE DE L'ELECTRONIQUE DE L'ELECTRICITE ET DES TECHNOLOGIES DE L'INFORMATION
SFO - SOCIETE FRANCAISE D'OPTIQUE
UNIVERSITE DE NICE SOPHIA ANTIPOLIS