Amplitude noise suppression of BPSK signals using transmission optical fibers and optical parametric phase-sensitive amplifiers

Description

<p>In this letter, we numerically investigate noise suppression using self-phase-modulation (SPM) in transmission optical fiber and degenerate phase-sensitive optical amplifier (PSA). It is clarified that the optimum fiber input signal power for SPM and phase shift for amplitude noise suppression of 10Gbit/s binary-phase-shift keyed (BPSK) signals. Then, 10-Gbit/s BPSK signal transmission on multi-relay systems is evaluated. When the fiber input optical power is 5mW, the signal-to-noise ratio (SNR) of PSA output is larger than 20dB on 200-relays while SNR of the conventional PSA output is 15dB after 63-relays.</p>

Journal

  • IEICE Electronics Express

    IEICE Electronics Express 19 (13), 20220196-20220196, 2022-07-10

    The Institute of Electronics, Information and Communication Engineers

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