Patent ID: 8086108
Filing Date: 2011-12-27
Classification: H01L,H04J

Abstract:
1. An optical transmission/reception device comprising: at least one light emitting portion; and at least one light receiving portion, wherein the light emitting portion and the light receiving portion are provided on the same substrate, the light emitting portion includes at least a lower multilayer reflector and an active layer provided on the lower multilayer reflector, and a first metal layer including a plurality of opening portions is provided in an upper portion of the light emitting portion, each of the plurality of opening portions having a size smaller than a light emission wavelength of the light emitting portion, wherein the plurality of opening portions of the first metal layer in the light emitting portion are arranged in a square grid pattern, a grid interval of the opening portions satisfies: where P represents the grid interval of the opening portions, ∈