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

Xianfeng Tang; Lixia Xi; Xiaoguang Zhang

doi:10.1117/12.804205

11 November 2008 Phase regeneration of DPSK/DQPSK signals based on phase-sensitive amplification

Xianfeng Tang, Lixia Xi, Xiaoguang Zhang

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 71360M (2008) https://doi.org/10.1117/12.804205
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

Nonlinear Mach-Zehnder interferometers, when driven by a phase-locked local oscillator pump, provide phase-sensitive amplification to input signals. So phase-sensitive amplifier(PSA) can be used to realize phase regeneration of phase modulated signals. In the paper, we adopt kerr media-based nonlinear Mach-Zehnder interferometer to form a PSA to regenerate DPSK signals, and we propose a structure for the phase regenerating of DQPSK signals using two balanced PSAs. Theoretical analyses of all-optical phase regenerations of DPSK/DQPSK signals based on phase-sensitive amplification are presented. Simulations show that nearly ideal phase regeneration can be achieved for the DPSK/DQPSK signals.

Citation Download Citation

Xianfeng Tang, Lixia Xi, and Xiaoguang Zhang "Phase regeneration of DPSK/DQPSK signals based on phase-sensitive amplification", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71360M (11 November 2008); https://doi.org/10.1117/12.804205

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