Coherent light generators – Particular active media – Semiconductor
Patent
1997-09-05
2000-03-28
Davie, James W.
Coherent light generators
Particular active media
Semiconductor
H01S 3085
Patent
active
060440996
ABSTRACT:
A semiconductor laser device comprises an n-type cladding layer, an active layer formed on the n-type cladding layer and having a quantum well structure including one or a plurality of quantum well layers, a p-type cladding layer comprising a flat portion formed on the active layer and a stripe-shaped ridge portion on the flat portion, and a current blocking layer formed on the flat portion so as to cover the side surface of the ridge portion and formed on a region on the upper surface of the ridge portion from one of facets of a cavity to a position at a predetermined distance therefrom.
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Bessho Yasuyuki
Hiroyama Ryoji
Komeda Kouji
Nishida Toyozo
Shono Masayuki
Davie James W.
Sanyo Electric Co,. Ltd.
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