Lateral confinement laser

Details Lateral confinement laser Lateral confinement laser

1998-03-12

2000-06-13

Bovernick, Rodney

Coherent light generators

Particular active media

Semiconductor

372 45, 372 43, H01S 319

Patent

active

060758023

ABSTRACT:
In a semiconductor laser comprising a mesa structure (11), the lateral current distribution in the mesa structure (11) is controlled in order to reduce the current at the mesa walls near the active lasing layer (15) by locating, in the mesa structure, a current blocking layer (13) having an aperture (14) of less width than the mesa structure (11) and being centred in relation to the mesa structure (11).

REFERENCES:
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patent: 5245622 (1993-09-01), Jewell et al.
patent: 5260230 (1993-11-01), Kondo
patent: 5398255 (1995-03-01), Terakado
patent: 5452315 (1995-09-01), Kimura et al.
patent: 5470785 (1995-11-01), Kondo
patent: 5751756 (1998-05-01), Takayama et al.
patent: 5825796 (1998-10-01), Jewell et al.
patent: 5903588 (1999-05-01), Guenter et al.

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