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In-line performance monitoring for RZ-DPSK signals using asynchronous amplitude histogram evaluation

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2 Author(s)
Zhihong Li ; CREOL, Univ. of Central Florida, Orlando, FL ; Guifang Li

The asynchronous amplitude histogram evaluation technique has been applied to in-line performance monitoring for return-to-zero differential phase-shift keying (RZ-DPSK) signals. The principle of operation was studied by simulation and experiment. It has been demonstrated that residual dispersion and signal optical signal-to-noise ratio can be obtained by Gaussian curve fitting of only one peak in the amplitude histogram of the RZ-DPSK signal

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 3 )