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An adjustable gain clamped semiconductor optical amplifier (AGC-SOA)

Michie, C. and Kelly, A.E. and Armstrong, I. and Andonovic, I. and Tombling, C. (2007) An adjustable gain clamped semiconductor optical amplifier (AGC-SOA). Journal of Lightwave Technology, 25 (6). pp. 1466-1473. ISSN 0733-8724

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The operation of a semiconductor optical amplifier (SOA)-ring laser-based subsystem, with the capability to provide adjustable gain-clamped operation, will be described, and preliminary characterization results will be presented. The device uses two SOAs in a ring-cavity topology: one to amplify the signal and the other to control the gain. This type of subsystem finds applications in packet-based dynamic systems where it may be used for power equalization and linear amplification.