Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

2007-06-28

2009-11-17

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S049010, C372S050100

Reexamination Certificate

active

07620090

ABSTRACT:
A semiconductor laser device includes a supporting substrate having a wiring pattern thereon; LD fixed on the surface of the supporting substrate and having a signal output section that emits signal laser light and a monitoring output section that emits monitoring laser light; and a monitoring PD. The monitoring PD includes a semiconductor substrate having a region that transmits light of the wavelength of the monitoring laser light; and a light receiving section for photoelectric conversion formed on the surface of the semiconductor substrate, one incident surface of the side surfaces of the semiconductor substrate arranged in a position to which the monitoring laser light can be made incident, the light receiving section arranged in a position higher than the monitoring output section, and a back surface of the semiconductor substrate and the wiring pattern fixed on the supporting substrate to oppose each other.

REFERENCES:
patent: 5184247 (1993-02-01), Schimpe
patent: 5835514 (1998-11-01), Yuen et al.
patent: 6813102 (2004-11-01), Furuichi et al.
patent: 6856637 (2005-02-01), Tsumori et al.
patent: 6-289258 (1994-10-01), None
patent: 9-270566 (1997-10-01), None
patent: 2003303975 (2003-10-01), None

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