EP0166593A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A semiconductor laser device
Assignee: Sharp Corp
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Filing: 1985-06-24
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Granted: —
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Expires: 2005-06-24
Abstract
Abstract An optical semiconductor device comprising laminated thin layers made of two kinds of binary compounds to form a superlatticed optical waveguiding structure and a superlatticed active region structure, thereby achieving a quantum well effect.
Inventors
- 👤 Toshiro Hayakawa
- 👤 Takahiro Suyama
- 👤 Saburo Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/81; H10H20/811; H10H20/812; B; B82; B82Y; B82Y20/00; H01; H01S; H01S5/00; H01S5/30; H01S5/34; H01S5/343; H01S5/34313; H10D; H10D62/00; H10D62/80; H10D62/81; H10D62/815; H10D62/8161; H10D62/8162; H10D62/8164; H10H20/822; H10H20/824; H01S5/20; H01S5/2004; H01S5/32; H01S5/3211; H01S5/3216; H01S5/3432
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
An optical semiconductor device comprising laminated thin layers made of two kinds of binary compounds to form a superlatticed optical waveguiding structure and a superlatticed active region structure, thereby achieving a quantum well effect.
Claim 2
Dependent Claim
34 words
An optical semiconductor device comprising laminated thin layers made of two kinds of binary compounds to form a superlatticed optical waveguiding structure and a superlatticed active region structure, thereby achieving a quantum well effect.
Claim 3
Dependent Claim
30 words
An optical semiconductor device as claimed in Claim 1, wherein said two kinds of binary compounds are GaAs and AlAs, GaSb and AlSb, InAs and AlAs, or InP and GaP.
Claim 4
Dependent Claim
32 words
An optical semiconductor device as claimed in Claim 1 or 2, wherein said thin layers are successively grown to form a laminated structure by molecular beam epitaxy or metal-organic chemical vapor deposition.
References Cited (Backward Citations)
No citation records indexed.
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