High-power grating-coupled surface emitters

D. F. Welch, R. Parke, A. Hardy, W. Streifer, D. R. Scifres

Research output: Contribution to journalArticlepeer-review

Abstract

Surface-emitting lasers with second-order gratings for output coupling have been demonstrated to emit 2.8 W pulsed, with a differential efficiency of 20%. The radiation pattern resulting from the interference of two grating regions indicates coherent operation, and a single longitudinal mode output.

Original languageEnglish
Pages (from-to)819-820
Number of pages2
JournalElectronics Letters
Volume25
Issue number13
DOIs
StatePublished - 1 Sep 1989
Externally publishedYes

Keywords

  • Lasers and laser applications
  • Semiconductor lasers

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