Optical device with low electrical and thermal resistance bragg reflectors
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United States of America Patent
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Oct 22, 1996
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N/A
app pub date -
Apr 7, 1995
filing date -
Apr 7, 1995
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Abstract
A compound-semiconductor optical device and method. The optical device is provided with one or more asymmetrically-graded heterojunctions between compound semiconductor layers for forming a distributed Bragg reflector mirror having an improved electrical and thermal resistance. Efficient light-emitting devices such as light-emitting diodes, resonant-cavity light-emitting diodes, and vertical-cavity surface-emitting lasers may be formed according to the present invention, which may be applied to the formation of resonant-cavity photodetectors.
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