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Analysis of phase regeneration of DPSK/DQPSK signals based on phase-sensitive amplification

Author:
Tang, Xianfeng  Zhang, Xiaoguang  Xi, Lixia  


Journal:
CHINESE OPTICS LETTERS


Issue Date:
2009


Abstract(summary):

Amplification and phase regeneration can be realized using a phase-sensitive amplifier (PSA). The phase regeneration of differential phase-shift keying (DPSK) signals based on PSA is analyzed theoretically. We realize the phase regeneration of differential quadrature phase-shift keying (DQPSK) signals based on a structure using two balanced PSAs. Simulations show that nearly ideal phase regeneration can be achieved for the DPSK/DQPSK signals.


Page:
380---383


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