搜索结果: 1-15 共查到“光学工程 tolerance”相关记录21条 . 查询时间(0.128 秒)
This letter proposes and experimentally demonstrates a cost-effective phase-modulation duobinary modulation scheme for improving self-phase modulation tolerance using a single modulator. Successful tr...
Impact of the Channel Count on the Nonlinear Tolerance in Coherently-detected POLMUX-QPSK modulation
Coherent communications Fiber optics communications
2011/5/26
GPU-based transmission simulations with different channel counts (1~81) are used to determine the minimum required channel number for correctly simulating fiber nonlinearities that impact 40G/100G CP-...
Constant Envelope Optical OFDM for Improved Nonlinear and Phase Noise Tolerance
Fiber optics communication Phase Modulation
2011/5/25
We introduce a new concept of OFDM transmission with constant envelope and coherent detection to reduce the sensitivity of OFDM signals to nonlinear effects and phase noise.
Tolerance to nonlinearity of 40 Gb/s BPSK-based coherent solution over legacy systems based on non-zero dispersion- shifted fibers
coherent communication optical communication
2011/5/22
We experimentally assess the performance of coherent PDM-BPSK at 40Gb/s over non-zero dispersion-shifted fiber. The BPSK-based solution is found about 7.5dB more robust than the QPSK-based solution ag...
Filtering Tolerance of 108-Gb/s PolMux Quadrature Duobinary Signal on 25-GHz Grid
Filtering Tolerance PolMux Quadrature Duobinary Signa
2011/5/20
We demonstrate the error-free transmission of 108-Gb/s PolMux quadrature duobinary signal in a 25-GHz spaced WDM system and investigate its tolerance to narrow optical filtering.
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
A Systematic Approach to Investigate the Tolerance of 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering and Residual Chromatic Dispersion based on Experiments
Systematic Approach Investigate Tolerance 53.5 GBaud 33%-RZ-DQPSK towards Optical Filtering Residual Chromatic Dispersion based Experiments
2011/5/20
We experimentally investigate 107 Gb/s 33%-RZ-DQPSK to explore its tolerance towards chromatic dispersion and narrow-band optical filtering. The results indicate that dispersion tolerance can be incre...
Nonlinear Tolerance of 112-Gb/s DP-QPSK in a Live Field Upgrade Trial over a 848km 10G DWDM Link
Live Field Upgrade 10G DWDM Link Nonlinear Tolerance DP-QPSK
2011/5/18
An in-service field trial with coherently detected DP-QPSK at 112 Gb/s was performed over a Telefónica live link of 848km, testing long term stability and determining noise margin and optimum launch p...
Improvement of Chromatic Dispersion and Differential Group Delay Tolerance of Incoherent Multilevel Signaling with Receiver-side Digital Signal Processing
Fiber optics communications Modulation
2010/6/10
Chromatic dispersion and differential group delay tolerance of 30-Gbit/s 8DPSK and 8QAM signaling is investigated experimentally, and we show 1.7 and 1.25 times enhancement of them in 8QAM signaling b...
Impact of Pulse Shaping on the SPM Tolerance of Electronically Pre-compensated 10.7 Gb/s DPSK Systems
Fiber optics communications Modulation
2010/6/9
Pulse shaping for electronic pre-compensation systems using differential phase shift keying modulation is experimentally shown to provide a 1.9 dB increase of the nonlinearity threshold.
Optical Phase Remodulation for 10-Gb/s WDM-PON with Enhanced Tolerance to Rayleigh Noise
Fiber optics communications Networks
2010/6/8
A novel phase remodulation scheme for 10-Gb/s WDM-PON is proposed and demonstrated. Downstream DPSK signal with a reduced modulation depth facilitates upstream phase remodulation and Rayleigh noise...
Investigation of DGD and Delay-Line Interferometer Phase Tolerance of Integrated Receiver Module for 86 Gb/s NRZ-DQPSK modulation
DGD Delay-Line Interferometer Phase Tolerance Integrated Receiver Module NRZ-DQPSK modulation
2009/7/20
We investigate the performance of a free-space DLI integrated receiver for 43 Gbaud/s NRZ-DQPSK.The DGD tolerance (1dB penalty) is quantified at 47% of the baudrate, and the DLI phase tolerance (1dB p...
Experimental Verification of the Dispersion Tolerance Improvement of Partial DPSK with Optimised Filtering
Dispersion Tolerance Improvement Partial DPSK Optimised Filtering
2009/7/17
We experimentally confirm the optimum combination of modulator delay and filter bandwidth to maximize the dispersion tolerance of partial DPSK.
Improvement of tolerance to fibre non-linearity of incoherent multilevel signalling for WDM transmission with 10-Gbit/s OOK channels
non-linearity incoherent multilevel signalling WDM transmission 10-Gbit/s OOK channels
2009/7/16
Fibre nonlinear effect on incoherent multilevel signalling with co-propagating 10-G OOK channels is investigated by experiments and numerical simulations, and QAM signals with non-Euclidean decision b...