Optical semiconductor device

Details Optical semiconductor device Optical semiconductor device

1988-07-14

1990-09-04

Hille, Rolf

Coherent light generators

Particular component circuitry

Optical pumping

357 19, 372 36, 372 75, H01L 3300

Patent

active

049548530

ABSTRACT:
In an optical semiconductor device in which a light emitting element and a light receiving element for monitoring light from the light emitting element are mounted integrally, a spherical lens is provided at a light receiving portion of the light receiving element, the lens having a light receiving area larger than that of said light receiving portion and the spherical surface of the spherical lens is oriented to the light emitting element.

REFERENCES:
patent: 4058821 (1977-11-01), Miyoshi et al.
patent: 4186995 (1980-02-01), Schumacher
patent: 4295152 (1981-10-01), Khoe et al.
patent: 4399453 (1983-08-01), Berg et al.
patent: 4675058 (1987-06-01), Plaster
patent: 4768070 (1988-08-01), Takizawa et al.
patent: 4797895 (1989-01-01), Kokubo et al.

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