Phase evolution of the direct detection noise figure of a nondegenerate fiber phase-sensitive amplifier

Tarek Labidi; Ihsan Fsaifes; Weilin Xie; Debanuj Chatterjee; Fabienne Goldfarb; Fabien Bretenaker

doi:10.1364/OL.43.004546

Phase evolution of the direct detection noise figure of a nondegenerate fiber phase-sensitive amplifier

Tarek Labidi, Ihsan Fsaifes, Weilin Xie, Debanuj Chatterjee, Fabienne Goldfarb, Fabien Bretenaker^*

^*Corresponding author for this work

School of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We experimentally investigate the evolution of the direct detection noise figure of a nondegenerate phase-sensitive amplifier based on a nonlinear fiber, as a function of the relative phase between the signal, idler, and pump, all other parameters remaining fixed. The use of a fiber with a high stimulated Brillouin scattering threshold permits us to investigate the full range of phase-sensitive gain and noise figure without pump dithering. Good agreement is found with theory, both for signal only and combined signal and idler direct detections.

Original language	English
Pages (from-to)	4546-4549
Number of pages	4
Journal	Optics Letters
Volume	43
Issue number	18
DOIs	https://doi.org/10.1364/OL.43.004546
Publication status	Published - 15 Sept 2018

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abstract = "We experimentally investigate the evolution of the direct detection noise figure of a nondegenerate phase-sensitive amplifier based on a nonlinear fiber, as a function of the relative phase between the signal, idler, and pump, all other parameters remaining fixed. The use of a fiber with a high stimulated Brillouin scattering threshold permits us to investigate the full range of phase-sensitive gain and noise figure without pump dithering. Good agreement is found with theory, both for signal only and combined signal and idler direct detections.",

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AU - Fsaifes, Ihsan

AU - Xie, Weilin

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AU - Goldfarb, Fabienne

AU - Bretenaker, Fabien

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AB - We experimentally investigate the evolution of the direct detection noise figure of a nondegenerate phase-sensitive amplifier based on a nonlinear fiber, as a function of the relative phase between the signal, idler, and pump, all other parameters remaining fixed. The use of a fiber with a high stimulated Brillouin scattering threshold permits us to investigate the full range of phase-sensitive gain and noise figure without pump dithering. Good agreement is found with theory, both for signal only and combined signal and idler direct detections.

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Phase evolution of the direct detection noise figure of a nondegenerate fiber phase-sensitive amplifier

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