Extraction of semiconductor microchip differential gain by use of optically pumped semiconductor laser

Matthew Walton, Nathan Terry, Jorg Hader, Jerome Moloney, Robert Bedford

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

The small-signal modulation response of a vertical external cavity surface emitting laser is analyzed to determine its resonance frequency in relation to photon density, allowing nondestructive extraction of characteristic parameters of chips, such as internal loss and differential gain.

Original languageEnglish (US)
Article number111101
JournalApplied Physics Letters
Volume95
Issue number11
DOIs
StatePublished - Oct 5 2009

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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