Coherent light generators – Particular active media – Semiconductor
Patent
1993-08-04
1996-05-07
Bovernick, Rodney B.
Coherent light generators
Particular active media
Semiconductor
H01S 318
Patent
active
055153933
ABSTRACT:
A semiconductor laser using a II-VI compound semiconductor as the material for cladding layers, capable of emitting a blue to green light is disclosed. In an aspect of the semiconductor laser, an n-type ZnSe buffer layer, an n-type ZnMgSSe cladding layer, an active layer made of, for example, ZnCdSe, a p-type ZnMgSSe cladding layer and a p-type ZnSe contact layer are stacked in sequence on an n-type GaAs substrate. A p-side electrode such as an Au/Pd electrode is provided in contact with the p-type ZnSe contact layer. An n-side electrode such as an In electrode is provided on the back surface of the n-type GaAs substrate. In another aspect of the semiconductor laser, an n-type optical guiding layer made of ZnSSe, ZnMgSSe or ZnSe is provided between the n-type ZnMgSSe cladding layer and the active layer, and a p-type optical guiding layer made of ZnSSe, ZnMgSSe or ZnSe is provided between the p-type ZnMgSSe cladding layer and the active layer.
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Akimoto Katsuhiro
Hiei Futoshi
Miyajima Takao
Morinaga Yuko
Nakano Kazushi
Bovernick Rodney B.
McNutt Robert
Sony Corporation
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