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Amplitude noise suppression using a high gain phase sensitive amplifier as a limiting amplifier

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2 Author(s)
A. Takada ; NTT Opt. Network Syst. Labs., Kanagawa, Japan ; W. Imajuku

A phase sensitive gain of 23 dB is achieved using a pulse excited nonlinear loop mirror with a 3 km zero dispersion optical fibre. It is shown that the phase sensitive amplifier (PSA) behaves as a limiting amplifier in the high input signal power region. The suppression of amplitude fluctuation in the input signal is also demonstrated using the PSA as a limiting amplifier

Published in:

Electronics Letters  (Volume:32 ,  Issue: 7 )