Patent ID: 9653883
Date: 2017-05-16
CPC Classifications: H01S

Claim:
1. A surface emitting semiconductor laser comprising: a substrate; and a semiconductor layer including: wherein the first semiconductor multilayer film, the second semiconductor multilayer film, and the active layer constitutes a resonator, at least one set in the plurality of first sets and the plurality of second sets is composed of a first layer having a first thermal conductivity, a first composition inclination layer, a second layer having a second thermal conductivity lower than the first thermal conductivity and a second composition inclination layer, and an optical film thickness of the first layer is (2m+1)λ/4, wherein λ is an oscillation wavelength of the resonator and m is an integer, and a total optical film thickness of the first composition inclination layer, the second layer and the second composition inclination layer is (2n+1)λ/4, wherein λ is the oscillation wavelength of the resonator and n is an integer equal to or less than m.