Patent ID: 8155163
Filing Date: 2012-04-10
Classification: B82Y,H01L,H01S

Abstract:
1. A photonic crystal laser comprising: a conductive n-type substrate including a first surface and a second surface opposite to said first surface; an n-type clad layer formed on said first surface of said n-type substrate; an active layer formed on said n-type clad layer for emitting light; a p-type clad layer formed on said active layer; a photonic crystal layer, formed between said n-type clad layer and said active layer or between said active layer and said p-type clad layer, including a photonic crystal portion having a photonic crystal structure, the photonic crystal portion including a high refractive portion and a low refractive portion positioned within the high refractive portion; a p-type electrode formed on said photonic crystal portion; an n-type electrode, formed on said second surface of said n-type substrate, including a light-transmitting portion comprising an opening in the n-type electrode arranged on a position opposed to said photonic crystal portion and an outer peripheral portion having lower transmittance of said light than said light-transmitting portion; and a package member formed on said p-type electrode.