Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate
2004-10-05
2010-02-02
Harvey, Minsun (Department: 2828)
Coherent light generators
Particular active media
Semiconductor
C372S046010
Reexamination Certificate
active
07656924
ABSTRACT:
A surface emitting laser includes a lower semiconductor multilayer mirror formed of a plurality of pairs of a high-refractive-index area and a low-refractive-index area; an active layer vertically sandwiched by cladding layers; a current confinement layer of AlzGa1-zAs having an oxide area in a peripheral portion of the current confinement layer, where 0.95≦z≦1; and an upper semiconductor multilayer mirror formed of a plurality of pairs of a high-refractive-index area and a low-refractive-index area. The low-refractive-index area of at least one of the lower semiconductor multilayer mirror and the upper semiconductor multilayer mirror includes an Alz1Ga1-z1As layer with a thickness thinner than that of the current confinement layer, where z≦z1.
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Casimirus Setiagung
Hama Takeshi
Iwai Norihiro
Shiina Yasukazu
Shimizu Hitoshi
Harvey Minsun
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Roy Tod T Van
The Furukawa Electric Co. Ltd.
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