Patent ID: 8811444
Filing Date: 2014-08-19
Classification: B82Y,G02B,H01S

Abstract:
1. A semiconductor integrated device comprising: a substrate including a first portion, a second portion, and a third portion arranged in a predetermined direction, the third portion being arranged between the first portion and the second portion; a light-emitting portion including a first lower mesa provided above the first portion, a first lower buried layer provided on a side surface of the first lower mesa and above the first portion, a first upper mesa provided above the first lower mesa, and a first upper buried layer provided on a side surface of the first upper mesa and above the first lower buried layer, the first lower mesa including a first core layer; and an optical modulator portion including a second lower mesa provided above the second portion, a second lower buried layer provided on a side surface of the second lower mesa and above the second portion, a second upper mesa provided above the second lower mesa, and a second upper buried layer provided on a side surface of the second upper mesa and above the second lower buried layer, the second lower mesa including a second core layer, wherein the first core layer and the second core layer are optically coupled to each other, the first lower buried layer and the second lower buried layer are composed of a semi-insulating semiconductor, and the first upper buried layer and the second upper buried layer are composed of a resin material.