搜索结果: 1-15 共查到“光学工程 PMD”相关记录32条 . 查询时间(0.101 秒)
Interplay between PMD and Nonlinearity in 112 Gb/s DP-QPSK Transmission with Co-propagating 10.7 Gb/s NRZ Channels
Fiber optics communications Coherent communications
2011/5/26
We experimentally demonstrate interplay between PMD and nonlinearity in 112 Gb/s DP-QPSK signal transmission with 10.7 Gb/s NRZ neighbors can have both positive and negative impact depending on channe...
Second-Order PMD Monitoring from Adaptive FIR-Filter Tap Coefficients in a Digital Coherent Receiver
Fiber optic communication Coherent communications Homodyning
2011/5/26
We propose a straightforward algorithm to estimate second-order PMD from adaptive FIR-filter tap coefficients in a digital coherent optical receiver. The novel algorithm is verified with 100-Gbit/s du...
Reduced-Guard-Interval CO-OFDM with Overlapped Frequency-Domain CD and PMD Equalization
Reduced-Guard-Interval CO-OFDM Overlapped Frequency-Domain CD PMD Equalization
2011/5/25
We propose an algorithm for CO-OFDM receivers to perform overlapped frequency-domain CD and PMD equalization before OFDM symbol demodulation. This approach enables OFDM transmission with a small cycli...
PDL and PMD Emulation with Control of Amplitude and Spectral Dependence to a Sub-Channel Level across the C-Band
Optical instruments Optical communications
2011/5/25
We present results of a polarization diverse LCoS wavelength processor. Applications include impairment simulation of broadband, channelized and intra-band PMD and PDL for detailed experimental sensit...
A Novel Dispersion and PMD Tolerant Clock Phase Detector for Coherent Transmission Systems
Novel Dispersion PMD Tolerant Clock Phase Detector Coherent Transmission Systems
2011/5/20
A novel clock phase detector is presented and shown to be tolerant to chromatic dispersion and PMD. The phase detector can be used in a clock recovery circuit for demodulation of 100 Gb/s coherent tra...
Field Trial of In-Service PMD Measurement Using Idle DWDM Channels in Operational Long Haul Network
Long Haul Network DWDM Channels PMD Measurement
2011/5/18
In-service PMD measurement using idle channels in an operational DWDM long-haul network is realized with two novel measurement approaches during a field trial. Accurate PMD results are obtained withou...
Experimental Characterization of Nonlinearity Mitigation by Digital Back Propagation and Nonlinear Polarization Crosstalk Canceller under High PMD condition
High PMD condition Digital Back Propagation Nonlinear Polarization Crosstalk Canceller
2011/5/15
Impact of PMD is evaluated on nonlinear mitigation algorithm. While the backpropagation showed consistent improvement regardless of PMD, the best performance was found under different PMD conditions d...
New PMD-Induced Crosstalk in the Presence of PDL in a Polarization-Multiplexed Ultrahigh-Speed Transmission
PMD-Induced Polarization-Multiplexed Ultrahigh-Speed Transmission
2011/5/15
New impairments in polarization-multiplexed ultrahigh-speed transmission in the presence of PMD and PDL are identified analytically and experimentally. Crosstalk is inevitable even with PSP launching,...
PMD and PDL Behavior of Aerial Fiber with the Accelerated Jones-Matrix Eigenanalysis
Fibers characterization Fiber measurements
2010/6/10
Polarization characteristics of aerial SMF were examined with the accelerated Jones-Matrix Eigenanalysis, comparing to interferometric method. PMD shows strong correlation with environmental changes b...
Impact of PMD and Nonlinear Phase Noise on the Global Optimization of DPSK and DQPSK Systems
Optical communications Phase modulation Nonlinear optics fibers
2010/6/10
Usingaglobaloptimizationalgorithm,wemaximizethereachofDPSKandDQPSKsys-tems including PMD and nonlinear phase noise at data rates ranging from 5Gbit/s to 230Gbit/s.
Equalization of first and second order PMD in 100 GBit/s PolMux Transmission using Optical Butterfly FIR Filters
Fiber optics communications Polarization-selective devices
2010/6/8
PolMux increases PMD sensitivity compared to single polarization transmission. We investigate the equalization of first and second order PMD in the optical domain and determine the respective remainin...
All-Order Polarization Mode Dispersion (PMD) Compensation in 10Gbit/s×4 OTDM System via Hyperfine Resolution Optical Pulse Shaper
Fiber Optics Communications Polarization Fiber optics components Fiber optics sensors
2010/6/8
We experimentally demonstrate optical compensation of all-order polarization mode dispersion with >50ps mean differential group delay in a 10Gbit/s×4 OTDM system using an optical pulse shaper with 1.6...
We demonstrate fast endless optical polarization control for instrumentation,polarization demultiplexing and PMD compensation. Mean/max polarization error is 0.077/0.197 rad during 30 minutes at up to...
Accounting for PMD Temporal Correlation during Lightpath Set Up in GMPLS-controlled Optical Networks
Networks assignment routing algorithms.
2010/6/8
A novel impairment-aware lightpath provisioning scheme, which leverages PMD tempo-ral correlation, is proposed for GMPLS-controlled transparent networks. Simulations show that the scheme reduces the b...
A Scheme for Improving the Performance of 100-Gb/s Polarization-Multiplexed RZ33 DQPSK Signals Using the Phase Regenerator and PMD compensator
Fiber optics communications Phase modulation Polarization
2010/6/4
We proposed a scheme of combination of phase regenerator and PMD compensator to the 100-Gbit/s Polarization-Multiplexed DQPSK System to improve its tolerance to PMD. The system performance is effectiv...