All-optical simultaneous phase and amplitude regenerator based on a modified Mach–Zehnder interferometric phase sensitive amplifier

Hongxiang Wang; Fengshuo Li; Yuefeng Ji

doi:10.1117/1.OE.56.2.026101

1 February 2017 All-optical simultaneous phase and amplitude regenerator based on a modified Mach–Zehnder interferometric phase sensitive amplifier

Hongxiang Wang, Fengshuo Li, Yuefeng Ji

Author Affiliations +

Optical Engineering, Vol. 56, Issue 2, 026101 (February 2017). https://doi.org/10.1117/1.OE.56.2.026101

Abstract

A modified Mach–Zehnder interferometric phase sensitive amplifier (MMZI-PSA) configuration is proposed and simulated, which combined the four-wave mixing phase-sensitive amplifier (FWM-PSA) with the fiber interference phase-sensitive amplifier (FI-PSA). This modified scheme for an all-optical communication system can not only eliminate phase noise, but also reduce additional amplitude noise, reducing intrinsic amplitude noise and suppressing phase-to-amplitude noise conversion tremendously. Compared with the traditional FWM-PSA configuration, the proposed configuration can obtain higher gain, as well as reduce bit-error rate (BER) and error vector magnitude (EVM). The simulation results suggest that MMZI-PSA can effectively regenerate QPSK signals and obtain 6.9-dB gain. Furthermore, it can reduce BER to 3.98×10−6 and reduce EVM to 22%, which improves system noise tolerance.

Citation Download Citation

Hongxiang Wang, Fengshuo Li, and Yuefeng Ji "All-optical simultaneous phase and amplitude regenerator based on a modified Mach–Zehnder interferometric phase sensitive amplifier," Optical Engineering 56(2), 026101 (1 February 2017). https://doi.org/10.1117/1.OE.56.2.026101

Received: 22 September 2016; Accepted: 10 January 2017; Published: 1 February 2017

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