Thermal aspects of designing CW-operated nitride VCSELs

Pawel Mackowiak; Wlodzimierz Nakwaski

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Thermal aspects of designing CW-operated nitride VCSELs

机译：Thermal aspects of designing CW-operated nitride VCSELs

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A room-temperature (RT) continuous-wave (CW) operation of possible nitride vertical-cavity surface-emitting lasers (VCSELs) is considered in the present paper using a simple VCSEL simulation to give some essential guidelines for their proper designing. It is revealed that a substrate material has a critical influence on a possibility of reaching RT CW thresholds which practically excludes currently used sapphire substrates of relatively low thermal conductivity from this application. SQW nitride VCSELs are found to be very sensitive to an increase in temperature, which is followed by their inappropriate CW-operation characteristics. A moderate increase in a number of quantum wells in VCSEL active regions significantly improves their CW achievements, i.e. decreases RT CW thresholds as well as considerably widens their CW threshold ranges.

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来源
《Optical and Quantum Electronics》 |1999年第11期|1179-1188|共10页
作者
Pawel Mackowiak; Wlodzimierz Nakwaski;
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作者单位

Institute of Physics, Technical University of Lodz ul. Wolczanska 219, 93-005 Lodz, Poland;

Also at the Department of Electrical and Computer Engineering, the University of New Mexico, Albuquerque, NM 87131, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学;
关键词
CW operation; nitride lasers; simulation; VCSELs;

Thermal aspects of designing CW-operated nitride VCSELs

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