Fast and robust method for measuring semiconductor optical amplifier gain

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In this paper, we present a new, robust multipoint fitting method for gain measurement with a metric for quality estimation of the procedure. The method is able to identify the deleterious effect of imperfections within the test structures, is tolerant to optical coupling errors and is well suited to high throughput, generic, automated testing of semiconductor optical amplifiers. Gain is estimated in a range of pump current densities over multiple spectral bands from 1400 to 1600 nm with a standard error in the order of 1/cm.

Original languageEnglish
Article number8004439
Number of pages9
JournalIEEE Journal of Selected Topics in Quantum Electronics
Issue number1
Publication statusPublished - 1 Jan 2018


  • active-passive integration
  • Gain measurement
  • photonic integrated circuits
  • segmented device
  • semiconductor optical amplifiers


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