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Temperature-dependent performance of 1.55 ÎŒm vertical-cavity lasers with InGaAsP/InP bottom mirror
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1999 (English)In: Conference Proceedings - International Conference on Indium Phosphide and Related Materials, no Piscataway, NJ, United States, 223-226 p.Article in journal (Refereed) Published
Abstract [en]

We have fabricated and evaluated a long-wavelength vertical-cavity laser (VCL) based on an epitaxially integrated InP distributed Bragg reflector (DBR) under continuous wave (CW) and pulsed conditions. We conclude that, for an InP-DBR-down configuration, the high-temperature performance is limited by the heat conductivity of the bottom mirror. The highest operating temperature for CW and pulsed condition is 17 °C and 101 °C respectively, indicating a substantial self-heating for CW. To investigate the prospect for improved performance in other mounting configurations, we have applied a two-dimensional finite element analysis to the heat transfer problem. It is suggested that for top-side-down mounting with the AlGaAs/GaAs DBR closest to the heat sink, a performance comparable to that of so called double-fused VCLs could be possible.

Place, publisher, year, edition, pages
Davos, Switz, 1999. no Piscataway, NJ, United States, 223-226 p.
Keyword [en]
Continuous wave lasers, Finite element method, Heat sinks, Heat transfer, Heating, Laser pulses, Mirrors, Semiconducting aluminum compounds, Semiconducting gallium arsenide, Semiconducting indium phosphide, Semiconductor device manufacture, Thermal effects, Distributed Bragg reflectors (DBR), Low-wavelength vertical-cavity lasers (lw-VCL), Semiconductor lasers
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-83020OAI: oai:DiVA.org:kth-83020DiVA: diva2:502825
Note
Correspondence Address: Salomonsson, P.; Royal Inst of Technology, Kista, Sweden NR 20140805Available from: 2012-02-14 Created: 2012-02-12 Last updated: 2012-02-14Bibliographically approved

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Citation style
  • apa
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