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Conferences > ACPC > 2021 > T3E > T3E.5

Enhancement of Optical Signal-to-Noise Ratio Based on Phase-Sensitive Amplification at Low Gain Levels

Zhirong Chen, Xiaojie Guo, and Zhaohui Li

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Abstract

We experimentally investigated optical signal-to-noise ratio (OSNR) enhancement in phase-sensitive amplifiers (PSA) at low gain levels. With balanced input signal-idler powers and OSNRs, nearly 3-dB OSNR improvement is obtained in a PSA with a PS gain as low as 6.4 dB, resulting in SNR improvement of 2.4 dB for 20-GBaud QPSK signal.

© 2021 The Author(s)

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