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

C. Michie, A.E. Kelly, I. Armstrong, I. Andonovic, C. Tombling

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)1466-1473
Number of pages7
JournalJournal of Lightwave Technology
Issue number6
Publication statusPublished - Jun 2007


  • gain clamping
  • linear optical amplifiers
  • multiwavelength amplification
  • semiconductor optical amplifiers (SOAs).


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