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Experimental Investigation on the Effect of Central Wavelength Tuning of FBG-Based Phase Shifter for Raman-Assisted Phase Sensitive Amplifier
Conference proceeding

Experimental Investigation on the Effect of Central Wavelength Tuning of FBG-Based Phase Shifter for Raman-Assisted Phase Sensitive Amplifier

Y. Cao, H. Song, Y. Akasaka, A. Almaiman, A. Mohajerin-Ariaei, C. Bao, P. Liao, F. Alishahi, A. Fallahpour, T. Ikeuchi, …
43RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC 2017)
01/01/2017

Abstract

Optics Physical Sciences Science & Technology
A FBG-based pump-phase-shifter is used in the Raman-assisted PSA. By actively tuning the FBG central-wavelength to enable pump phase optimization, up-to-5.6dB signal gain is observed. An improvement of similar to 6% EVM and similar to 4dB system sensitivity is observed by 20/25-Gbaud QPSK signals.

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