GaAs-GaAlAs distributed-feedback diode lasers with separate optical and carrier confinement

K. Aiki*, M. Nakamura, J. Umeda, A. Yariv, A. Katzir, H. W. Yen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Remarkable reduction of the threshold current density is achieved in GaAs-GaAlAs distributed-feedback diode lasers by adopting a separate-confinement heterostructure. The diodes are lased successfully at temperatures up to 340°K under pulsed operation. The lowest threshold current density is 3 kA/cm2 at 300°K.

Original languageEnglish
Pages (from-to)145-146
Number of pages2
JournalApplied Physics Letters
Volume27
Issue number3
DOIs
StatePublished - 1975
Externally publishedYes

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