Optical amplitude modulation extinction by a deep saturated ultra-long semiconductor optical amplifier
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Published on: July 12, 2017
Napoleão S Ribeiro1, André L R Cavacalcante, Cristiano M Gallep
1Department of Microwaves and Optics, Faculty of Electrical and Computer Engineering, University of Campinas (UNICAMP), DMO-FEEC-UNICAMP, Campinas, SP, Brazil. nribeiro@dmo.fee.unicamp.br
Abstract:
The recovery of an optical carrier with the deletion of its amplitude modulation is introduced using a deeply saturated ultra-long semiconductor optical amplifier (UL-SOA). The experimental results were achieved for input signal bit rates up to 12.5 Gbps with high extinction ratio (up to 13.9 dB). The influence of parameters such as UL-SOA bias current, optical bandwidth, signal input power, modulation depth and bit rate are analyzed including the carrier spectral broadening effects due to the self-phase modulation effect.
