Surface-emitting type semiconductor laser

Coherent light generators – Particular active media – Semiconductor

Reexamination Certificate

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C372S034000, C372S036000

Reexamination Certificate

active

11566402

ABSTRACT:
A surface-emitting type semiconductor laser includes: a first mirror; an active layer formed above the first mirror; a second mirror formed above the active layer; and a current constricting section formed above or below the active layer, wherein the second mirror has a plurality of concave sections arranged within a plane perpendicular to a light emission direction, and a light confining region surrounded by the concave sections is formed inside a region surrounded by the current constricting section as viewed in a plan view.

REFERENCES:
patent: 7085301 (2006-08-01), Choquette et al.
patent: 2004/0091010 (2004-05-01), Choquette et al.
patent: 2006/0093008 (2006-05-01), Mochizuki
patent: 2007/0147459 (2007-06-01), Ueki
patent: 0 653 823 (1995-05-01), None
patent: 1 528 647 (2002-05-01), None
patent: A 2003-086895 (2003-03-01), None
patent: WO 02/073753 (2002-09-01), None
Wipiejewski T. et al.: “Improved performance of vertical-cavity surface-emitting laser diodes with Au-plated heat spreading layer” Electronics Letters, Iee Stevenage, GB, vol. 31, No. 4, Feb. 16, 1995, pp. 279-281, XP006002449.

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