00554481

  he fabrication and performaince of a semiconductor optical amplifier for wavelength conversion in subcarrier multiplexed system is described. The amplifier is of the buried facet design and has p o ~ a r ~ ~ a ~anido nre flectivity gain ripple of carrier multiplexing, multiple 50-Mb/s data streams at a wave~ength of 1.553 pm are injected into the amplifier. The gain y of the amplifier transfers the data to a dierent w of light siniultaneously injected into the amplifier. Error free retri of subcarrier multiplexed data has been de~ons~ratefodr the wavelength converted output. The small signal bandwidth of the wavelength conversion process is 5 GHz.