SURFACE-EMITTING SEMICONDUCTOR LASER, SURFACE-EMITTING SEMICONDUCTOR LASER DEVICE, OPTICAL TRANSMISSION DEVICE, AND INFORMATION PROCESSOR

摘要

PROBLEM TO BE SOLVED: To provide a surface-emitting semiconductor laser controlling a polarization direction.

SOLUTION: The surface-emitting semiconductor laser 10 has: a substrate 100; an n-type lower DBR 102 formed on the substrate; an active region 104; a p-type upper DBR 106; a p-side electrode 112 having a light emission port 112A formed for emitting laser light; and an insulative film 120 formed to partially cover the light emission port 112A, structured of a material transparent to an oscillation wavelength of the laser light and anisotropic in lengthwise and breadthwise directions. Reflectivity of the upper DBR 106 having the insulative film 120 formed is larger than that of the upper DBR 106 having the insulative film 120 not formed.

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