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Type: Artigo de periódico
Title: Optical 2R remodulator using feedforward control of semiconductor optical amplifier gain
Author: Conforti, E
Bordonalli, AC
Ho, S
Kang, SM
Abstract: A technique for optical pulse regeneration and reshaping using feedforward current injection in a semiconductor optical amplifier is reported. By matching the shape and phase of the injected current and the incoming optical pulse, the optical amplifier gain is set to increase with the amplifier input optical signal level, resulting in an enhanced extinction ratio for the output pulse. It has been experimentally demonstrated that a proper forward gain control improves the output extinction ratio by more than 5 dB for a system where the optical amplifier gain dynamics limits the maximum pulse rate to 500 Mbits/s. (C) 1999 John Wiley & Sons, Inc.
Subject: optical regenerator
optical semiconductor amplifier
optical pulse reshaping
optical remodulator
optical transponder
Country: EUA
Editor: John Wiley & Sons Inc
Rights: fechado
Date Issue: 1999
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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