Vertical cavity surface emitting laser, vertical cavity...

Details Vertical cavity surface emitting laser, vertical cavity... Vertical cavity surface emitting laser, vertical cavity...

2010-03-05

2011-11-15

Nguyen, Dung (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S050110, C372S050124, C372S050230

Reexamination Certificate

active

08059689

ABSTRACT:
A vertical cavity surface emitting laser that includes: a substrate; a first semiconductor multilayer reflector that is a first conductive type and formed on the substrate; an active region formed on the first semiconductor multilayer reflector; a second semiconductor multilayer reflector that is a second conductive type and formed on the active region; a current narrowing layer that is located between the first and second semiconductor multilayer reflectors, and in that a conductive region which has anisotropy in a long side direction and a short side direction within the surface which is parallel to a principal surface of the substrate is formed; and a convex lens member that is formed in a beam window which emits a light on the second multilayer reflector, and that has anisotropy in a long side direction and a short side direction within a surface which is parallel to the principal surface of the substrate.

REFERENCES:
patent: 7294863 (2007-11-01), Lee et al.
patent: 2005/0271106 (2005-12-01), Watanabe et al.
patent: 2009/0137076 (2009-05-01), Watanabe et al.
patent: 2000-067449 (2000-03-01), None
patent: 2005-347604 (2005-12-01), None
patent: 2006-210429 (2006-08-01), None

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