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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper CFB5

Wavelength conversion of 60-channel QPSK data using cross-gain compression in a semiconductor optical amplifier

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Abstract

Subcarrier multiplexing is a popular, low-cost method for transmitting digital signals. The QPSK modulation format is commonly used because it is very robust, yet uses bandwidth efficiently.1-2 In some proposed networks wavelength conversion in the distribution system would prove useful, for example in architectures where wavelength-selective routing is desired. In this experiment we demonstrate wavelength conversion of 60 QPSK channels via cross-gain modulation in a semiconductor optical amplifier (SOA).3-4

© 1996 Optical Society of America

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