Transient hot-carrier optical gain in a gain-switched semiconductor laser

Takashi Ito, Shaoqiang Chen, Masahiro Yoshita, Toshimitsu Mochizuki, Changsu Kim, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The transient optical gain was quantitatively determined from the rise time of output pulses of a gain-switched semiconductor laser via impulsive optical pumping. The optical gain for a high carrier density during gain switching was greatly reduced from that during steady-state operation because of hot carriers.

Original languageEnglish (US)
Article number082117
JournalApplied Physics Letters
Volume103
Issue number8
DOIs
StatePublished - Aug 19 2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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