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Systematic Analysis on Multi-Segment Dual-Polarisation Nonlinear Compensation in 112 Gb/s DP-QPSK Coherent Receiver
Systematic Analysis Dual-Polarisation Nonlinear Compensation DP-QPSK Coherent Receiver
2009/7/20
Dependencies on segment number, dispersion map, and fibre launched power were investigated experimentally and numerically. Uncompensated 25 spans standard SMF link can enjoy net Q gain of 1.7dB with 2...
Dispersion Management in WDM Coherent PDM-QPSK Systems
Dispersion Management WDM Coherent PDM-QPSK Systems
2009/7/20
We show that dispersion management with DCF does not outperform electronic dispersion compensation for WDM coherent NRZ-PDM-QPSK systems, but for time-interleaved RZ-PDM-QPSK systems,dispersion manage...
Impairment Aware Routing and End-to-End Compensation in WSON
Impairment Aware Routing End-to-End Compensation
2009/7/17
We experimentally investigate impairment aware routing and end-to-end compensation in a WSON testbed. The extended control plane modules for QoT optimization and two compensation control strategies ar...
Electronic Equalization of Polarization Mode Dispersion in Coherent POL-MUX QPSK Systems
Electronic Equalization Polarization Mode Dispersion Coherent POL-MUX QPSK Systems
2009/7/17
We present a comparison of adaptive electronic PMD equalizers for coherent phase - and polarization-diversity QPSK receivers using the multicanonical Monte Carlo method . A 5-tap equalizer using the C...
Nonlinear Phase Noise Mitigation by Polarization Mode Dispersion in Dispersion Managed coherent PDM-QPSK Systems
Nonlinear Phase Noise Mitigation Polarization Mode Dispersion Dispersion Managed coherent PDM-QPSK Systems
2009/7/17
We show by simulation that PMD helps reduce nonlinear phase noise in single-channel coherent PDM-QPSK systems at both 43 and 112 Gbit/s, with improved resilience at 112 Gbit/s.
Suppression of Inter-Channel Nonlinearities in WDM Coherent PDM- QPSK Systems Using Periodic-Group-Delay Dispersion Compensators
Inter-Channel Nonlinearities WDM Coherent PDM- QPSK Systems Periodic-Group-Delay
2009/7/17
We show that periodic-group-delay dispersion compensators can significantly suppress inter-channel nonlinearities in a WDM coherent polarization-division-multiplexed quardrature-phase-shift-keying sys...
Dispersion Compensation Using Decision-Feedback MLSE for Spectrally-Efficient Optical Transmission
Dispersion Compensation MLSE Spectrally-Efficient Optical Transmission
2009/7/17
We propose a novel decision-feedback maximum likelihood sequence estimation, and numerically demonstrate its use in 10GS/s 8-ASK-DQPSK (8-ASK-QPSK) systems to significantly improve the dispersion tole...
Novel Opto-Electrical Tunable Dispersion Compensator for IM Signals
Opto-Electrical Tunable Dispersion Compensator IM Signals
2009/7/17
A novel opto-electrical tunable dispersion compensator with a tuning time lower than 150 μs is proposed compensation is performed by tunable dispersion compensation is performed in the lightwave and ...
We demonstrated two-section RSOA with improved modulation bandwidth of 8 GHz as colorless source for WDM-PON. Good performance at 2.5 Gbps was obtained with a power penalty of 2 dB up to 20 km transmi...
Improved Supercontinuum Generation by Dispersion Tuning and Dual Wavelength Pumping
Dispersion Dual Wavelength Pumping
2009/7/16
Supercontinuum generation in ultra-long Raman fibre laser cavities is compared for a range of fibre dispersions in the anomalous and normal regimes. For normal dispersion improved performance and effi...
Full C-L Band Tunable Wavelength Conversion by Zero Dispersion and Zero Dispersion Slope HNLF
C-L Band Tunable Wavelength Conversion Zero Dispersion Zero Dispersion Slope HNLF
2009/7/16
We demonstrated full C-L band tunable wavelength conversion by zero dispersion and zero dispersion slope HNLF. A signal from whole C-L band was converted to an arbitrary wavelength in almost whole C-L...
Fast SOP Variation Measurement on WDM Systems Are the OPMDC Fast Enough?
Fast SOP Variation Measurement WDM Systems Are OPMDC
2009/7/16
Orange Labs organized a 6 month field trial to characterize states of polarization (SOP) variations with time on representative links of the future 40 Gbit/s deployment and to enable specifying the ad...
Colourless 10Gb/s Reflective SOA-EAM with Low Polarization Sensitivity for Long-reach DWDM-PON Networks
Colourless Reflective SOA-EAM Polarization Sensitivity Long-reach DWDM-PON Networks
2009/7/16
We demonstrate a 10Gb/s reflective SOA-REAM device that has low polarization sensitivity, high output power and colourless operation over the C-band. Long reach capability is also demonstrated by tran...
Colourless FSK/ASK Optical Network Unit Based on a Fabry Pérot Type SOA/REAM for Symmetrical 10 Gb/s WDM-PONs
Colourless FSK/ASK Optical Network Fabry Pérot Type SOA/REAM WDM-PONs
2009/7/16
An Optical Network Unit based on colourless detection of optical frequency modulated signals based on a combination of Semiconductor Optical Amplifier and Reflective Electroabsorption modulator with i...
Tunable Optical Dispersion Compensator Module Using Integrated Multiple Lenses in an Arrayed-Waveguide Grating
Tunable Optical Dispersion Compensator Module Integrated Multiple Lenses Arrayed-Waveguide Grating
2009/7/16
An AWG-based tunable dispersion compensator with integrated silicone lenses is fabricated. Its tuning range runs from +47 to +410 ps/nm and error-free dispersion compensation is confirmed for 42.7-Gbp...