Optical device and method of manufacturing the same

Details Optical device and method of manufacturing the same Optical device and method of manufacturing the same

1997-02-18

1999-07-06

Bovernick, Rodney

Coherent light generators

Particular active media

Semiconductor

372 43, 257 84, 257 85, H01S 318

Patent

active

059205873

ABSTRACT:
A semiconductor laser device having light output monitoring light-receiving portion can be fabricated monolithically. A semiconductor laser element (LD) composed of a first cladding layer (22), an active layer (23) and a second cladding layer (24) is formed on a semiconductor substrate (21). A light-receiving portion (PD.sub.1) of a pn junction is formed on the semiconductor substrate (21) disposed behind the semiconductor laser element (LD) by diffusion or selective growth.

REFERENCES:
patent: 4181901 (1980-01-01), Heyke
patent: 4860276 (1989-08-01), Ukita et al.
patent: 5040033 (1991-08-01), Dutta et al.
patent: 5113071 (1992-05-01), Sawada et al.
patent: 5162878 (1992-11-01), Sasagawa et al.
patent: 5608233 (1997-03-01), Sahara et al.

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