JPS5356986A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Semiconductor laser
Assignee: NTT Inc
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Filing: 1976-11-02
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Granted: —
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Expires: 1996-11-02
Abstract
Abstract PURPOSE: To reduce laser oscillation threshold value current. unify both of transverse-and longitudinal mode and improve efficiency by beforehand making the thickness of the region at one end side of a semiconductor layer which becomes a guide layer thicker in step form than the thickness of other region. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Takashi Fukui
- 👤 Takeshi Kobayashi
- 👤 Koichi Wakita
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 09:32
CPC Classifications
—
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