Semiconductor laser device having a current non-injection area

Details Semiconductor laser device having a current non-injection area Semiconductor laser device having a current non-injection area

2005-01-11

2005-01-11

Leung, Quyen (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S045013

Reexamination Certificate

active

06842471

ABSTRACT:
A semiconductor laser device includes an active layer and first and second current blocking layers having aligned stripe openings for injecting operating current into the active layer in a current injection area. The second current blocking layer has another opening, through which the first current blocking layer contacts an external cladding layer, in the vicinity of the emission facet of the laser cavity to form a current non-injection area. The first current blocking layer and the external cladding layer have a substantially equal refractive index.

REFERENCES:
patent: 6647043 (2003-11-01), Arakida et al.
patent: 62-051281 (1987-03-01), None
patent: 2-239679 (1990-09-01), None
patent: 4-218993 (1992-08-01), None
patent: 2001-196693 (2001-07-01), None
patent: 2001-332811 (2001-11-01), None
patent: 2001332811 (2001-11-01), None

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