Mirror coupled monolithic laser diode and photodetector

Details Mirror coupled monolithic laser diode and photodetector Mirror coupled monolithic laser diode and photodetector

1993-10-25

1995-08-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

257 82, G02B 2700

Patent

active

054382084

ABSTRACT:
An optical integrated circuit includes a laser diode emitting laser light and a photodiode detecting light emitted from the laser diode on the same semiconductor substrate but not colinear and a mirror optically coupling the laser diode with the photodiode. The axes of the laser diode and the photodiode are parallel. The mirror is parallel to a laser light emitting facet of the laser diode to couple the laser diode and the photodiode. Resonator facets of the laser diode are produced by cleaving, not etching, whereby an optical integrated circuit including a laser diode having high performance and high reliability is obtained.

REFERENCES:
patent: 4124860 (1978-11-01), Johnson
patent: 4730330 (1988-03-01), Plihal et al.
patent: 4733094 (1988-03-01), Carpentier et al.
patent: 4945391 (1990-07-01), Yagoura et al.
patent: 5256869 (1993-10-01), Lin et al.
patent: 5258991 (1993-11-01), Peterson
"Transactions of the Japan Society of Applied Physics", 1986 p. 173.

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