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Temperature-dependent performance of 1.55 ÎŒm vertical-cavity lasers with InGaAsP/InP bottom mirror
- Salomonsson, P. (author)
- Mogg, S. (author)
- Rapp, S. (author)
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- Bentell, J. (author)
- Sagnes, I. (author)
- Raj, R. (author)
- Streubel, K. (author)
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- (creator_code:org_t)
- Davos, Switz, 1999
- 1999
- English.
- In: Conference Proceedings - International Conference on Indium Phosphide and Related Materials. - Davos, Switz. ; :Piscataway, NJ, United States, s. 223-226
- Journal article (peer-reviewed)
Abstract
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- 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
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- ref (subject category)
- art (subject category)
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- Salomonsson, P.
- Mogg, S.
- Rapp, S.
- Bentell, J.
- Sagnes, I.
- Raj, R.
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- Streubel, K.
- Hammar, M.
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Royal Institute of Technology
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