Patent ID: 9748739
Date: 2017-08-29
CPC Classifications: G04F,H01S,H03L

Claim:
1. A vertical cavity surface emitting laser comprising: a first mirror layer; a second mirror layer; an active layer provided between the first mirror layer and the second mirror layer; a current constriction layer provided between the first mirror layer and the second mirror layer; an insulation layer; a first oxide portion connected to the first mirror layer including a plurality of oxide layers; and a second oxide portion connected to the second mirror layer including a plurality of oxide layers, wherein: the first mirror layer, the active layer, the second mirror layer, the current constriction layer, the first oxide portion and the second oxide portion configure a laminated body, in a plan view, the laminated body includes a first portion having a first width, a second portion having a second width, and a third portion between the first portion and the second portion, the third portion has a third width wider than the first width or the second width, the insulation layer is provided on a side surface of the laminated body, the first oxide portion is provided between the first mirror layer and the insulation layer, and the second oxide portion is provided between the second mirror layer and the insulation layer, in the plan view, an oxide area is configured with the first oxide portion of the first portion and the second oxide portion of the first portion, in the plan view, when a width of the oxide area is W in the plan view, when a virtual straight line orthogonal to a direction in which the first portion and the second portion face each other is drawn on the first portion, the W