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Quantum-Noise-Limited BPSK Transmission Using Gain-Saturated Phase-Sensitive Amplifiers

Kyo INOUE

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Summary :

Quantum noise ultimately restricts the transmission distance in fiber communication systems using optical amplifiers. This paper investigates the quantum-noise-limited performance of optical binary phase-shift keying transmission using gain-saturated phase-sensitive amplifiers (PSAs) as optical repeaters. It is shown that coherent state transmission, where ultimately clean light in the classical sense is transmitted, and endless transmission, where the transmission distance is not restricted, are theoretically achievable under certain system conditions owing to the noise suppression effects of the gain-saturated PSA.

Publication
IEICE TRANSACTIONS on Communications Vol.E104-B No.10 pp.1268-1276
Publication Date
2021/10/01
Publicized
2021/04/14
Online ISSN
1745-1345
DOI
10.1587/transcom.2020EBP3173
Type of Manuscript
PAPER
Category
Fiber-Optic Transmission for Communications

Authors

Kyo INOUE
  Osaka University

Keyword