Thermal management in vertical-external-cavity surface-emitting lasers: Finite-element analysis of a heatspreader approach

A. Kemp, G.J. Valentine, J.M. Hopkins, J.E. Hastie, S.A. Smith, S. Calvez, M.D. Dawson, D. Burns

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

The use of crystalline heatspreaders to improve thermal management in optically pumped vertical-external-cavity surface-emitting lasers is studied via finite-element analysis. The required properties of a heatspreader are examined and the effect on heat flow is discussed, as are thermal lensing effects. The advantages of diamond heatspreaders are highlighted. The power-scaling potential is compared to other approaches. Heatspreaders are found to be promising, particularly for use with low thermal conductivity semiconductors.
Original languageEnglish
Pages (from-to)148-155
Number of pages7
JournalIEEE Journal of Quantum Electronics
Volume41
Issue number2
DOIs
Publication statusPublished - 2005

Keywords

  • quantum electronics
  • optics
  • lasers
  • finite element analysis

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