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Very high sidemode-suppression-ratio distributed-bragg-reflector lasers grown by chemical beam epitaxy

  • F. S. Choa
  • , W. T. Tsang
  • , R. A. Logan
  • , R. P. Gnall
  • , U. Keren
  • , T. L. Koch
  • , C. A. Burrus
  • , M. C. Wu
  • , Y. K. Chen
  • , P. F. Sciortino
  • , A. M. Sergent
  • , P. J. Corvini

Research output: Contribution to journalArticlepeer-review

Abstract

The fabrication and performance of InGaAs/InGaAsP multiquantum well distributed-Bragg-reflector lasers grown by chemical beam epitaxy are reported. Use of a long and weak grating, which was made on a thin and uniformly grown quaternary layer, has enabled the grating coupling constant κ to be well controlled. For most of the lasers the measured linewidths are below 10 MHz. A record high sidemode suppression ratio of 58·5 dB was obtained.

Original languageEnglish (US)
Pages (from-to)1001-1002
Number of pages2
JournalElectronics Letters
Volume28
Issue number11
DOIs
StatePublished - May 21 1992
Externally publishedYes

Keywords

  • Lasers
  • Semiconductor lasers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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