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|Title:||Chromatic dispersion monitoring of DQPSK and D8PSK signals based on delay-tap sampling technique|
Differential phase-shift keying
Fiber optics communications
Optical performance monitoring
|Source:||Yang, J., He, M., Lu, H., Yu, C., Li, Z. (2010). Chromatic dispersion monitoring of DQPSK and D8PSK signals based on delay-tap sampling technique. 12th IEEE International Conference on Communication Systems 2010, ICCS 2010 : 184-188. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCS.2010.5686388|
|Abstract:||We demonstrate a simple chromatic dispersion (CD) monitoring method using amplitude ratio of asynchronous delaytap sampling plot. By utilizing amplitude ratio in the delay-tap sampling plot, the residual CD values in the range of 0∼75 ps/nm can be measured for 40-Gbit/s 67% carrier-suppressed return-tozero (CSRZ) differential quadrature phase-shift keying (DQPSK), 50% return-to-zero (RZ) DQPSK and 60-Gbit/s 50% RZ differential eight phase-shift keying (D8PSK) signals. The simulated results in VPItransmission 7.0 show that the amplitude ratio of delay-tap sampling plot decreases monotonously with residual CD in 67% CSRZ DQPSK, 50% RZ DQPSK and 50% RZ D8PSK systems. Since no synchronization or modification on transmitter/receiver is required, the proposed scheme is simple and cost effective. © 2010 IEEE.|
|Source Title:||12th IEEE International Conference on Communication Systems 2010, ICCS 2010|
|Appears in Collections:||Staff Publications|
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