Influence of the valence-band offset on gain and absorption in GaNAs/GaAs quantum well lasers

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51 Citations (Scopus)

Abstract

The dependence of the gain and absorption in GaNAs/GaAs quantum well lasers on the valence-band offset is investigated. The calculated absorption strength, gain amplitudes, and gain bandwidth are found to depend crucially on the value of this offset. The shift of the peak gain transition energy with carrier density is shown to depend strongly on the magnitude of the offset, providing what should be a useful means to determine the offset experimentally.

Original languageEnglish (US)
Pages (from-to)3685-3687
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number25
StatePublished - Jun 19 2000

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quantum well lasers
valence
bandwidth
shift
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Influence of the valence-band offset on gain and absorption in GaNAs/GaAs quantum well lasers. / Hader, Jorg; Koch, Stephan W; Moloney, Jerome V; O'Reilly, E. P.

In: Applied Physics Letters, Vol. 76, No. 25, 19.06.2000, p. 3685-3687.

Research output: Contribution to journalArticle

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