Spectral and spatial resolution of photopumped II-VI single quantum well lasers

D. M. Bagnall, A. Ralston, K. P. O'Donnell, P. C. Smith, P. Wright, B. Cockayne

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Abstract

Spatial and temporal resolution of photostimulated emission from II-VI laser samples were shown to reveal hidden mode structure. This work to date showed the effects of microscopic nonuniformities and implied that device, performance might be improved by refining uniformity, optimizing laser cavity length and using reflectively coated facets. Strong, reproducible mode structure was indeed observed when coated facets and small cavity lengths were applied in II-VI lasers.

Original languageEnglish
Pages (from-to)1455-1457
Number of pages3
JournalApplied Physics Letters
Volume66
Issue number12
DOIs
Publication statusPublished - 1 Mar 1995

Keywords

  • laser cavities
  • CdSe quantum wells
  • spectroscopy

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