Noise in phase-(in)sensitive dual-core fiber parametric amplification

Abstract

Flat and wide-bandwidth gain spectrum, along with phase-sensitive gain with no need to generate amplifier input idlers, can be achieved with a coupled dual-core fiber optical parametric amplifier. In this paper, we analyze the noise properties of such an amplifier. We achieve a 3 dB noise figure in the phase-insensitive case and a minimum of -6 dB noise figure in the phase-sensitive configuration. An alternative phase-sensitive configuration is also studied, that avoids the use of idlers at the input of the amplifier, leading to a 3 dB flat spectrum combined noise figure for the output signals. Pump transfer noise in phase-insensitive and phase-sensitive configurations is also studied along with the noise figure variation against the length of the amplifier.

Publication DOI: https://doi.org/10.1364/OE.26.004050
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences
Additional Information: © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publication ISSN: 1094-4087
Full Text Link:
Related URLs: https://www.osa ... RI=oe-26-4-4050 (Publisher URL)
PURE Output Type: Article
Published Date: 2018-02-19
Published Online Date: 2018-02-07
Accepted Date: 2018-01-09
Authors: Ribeiro, Vítor (ORCID Profile 0000-0001-9616-4584)
Lorences-riesgo, Abel
Andrekson, Peter
Karlsson, Magnus

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