Patent ID: 8548023
Filing Date: 2013-10-01
Classification: B82Y,H01S

Abstract:
1. A semiconductor laser element comprising: a laminate composed of a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; an insulation layer that is in contact with the second conductivity type semiconductor layer, has a groove formed therein that extends from one end of the laminate to an opposite end of the laminate, the groove having a first section adjacent to the one end of the laminate and a second section extending from the first section toward the opposite end of the laminate, the insulation layer being composed of an insulator; a first embedded layer embedded within the first section of the groove of the insulation layer, the first embedded layer having a refractive index that is equal to or greater than a refractive index of the insulation layer, the first embedded layer being composed of a dielectric; and a conductive oxide layer having a first portion laminated on the insulation layer and a second portion embedded within the second section of the groove of the insulation layer such that an end face of the second portion of the conductive oxide layer contacts an end face of the first embedded layer within the groove of the insulation layer.