Coherent light generators – Particular active media – Semiconductor
Patent
1989-07-13
1992-08-04
LaRoche, Eugene R.
Coherent light generators
Particular active media
Semiconductor
372 45, 372 46, 372 48, H01S 319
Patent
active
051366010
ABSTRACT:
A semiconductor laser having a stripe-like lasing region, wherein the structure of the lasing region such as the mechanism of optical guiding of the lateral mode control structure is made different between the central portion in the lasing region and portions close to facets, in order to reduce optical feedback induced noise and astigmatism, and to facilitate the manufacture thereof.
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J. J. Coleman and P.D. Dapkus, Single-Longitudinal-Mode Metalorganic Chemical-Vapor-Deposition Self-Aligned GaAlAs-GaAs Double-Heterostructure Lasers, Aug. 1, 1980, pp. 262-263.
29p-M-4, Assoc. of the Applied Physics, 1984, pp. 172.
Appl. Phys. Lett. 40(4), Mar. 1, 1982, pp. 372-374.
Copy of English translation of 29p-M-4.
Chinone Naoki
Kajimura Takashi
Kashiwada Yasutoshi
Kawano Toshihiro
Nakatsuka Shin'ichi
Hitachi , Ltd.
LaRoche Eugene R.
Shingleton Michael B.
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