Towards 2D fully integrated array of InGaN laser diodes (Conference Presentation)
2020
Our goal is to fabricate a laser diode 2D array which combines the properties of both VCSEL and edge emitting laser. Proposed light emitter will have a horizontal cavity with 450 deflectors. The role of these deflectors would be to deflect light perpendicular to the cavity, achieving vertical out-coupling. The most challenging part of this project is the fabrication of the micro-mirrors which act as both as beam deviating mirrors and cavity forming mirrors. Owing to the excellent thermal conductivity of GaN substrates the properties of such a 2D array should be better than of conventional nitride laser diode arrays, not even mentioning nitride-based stacked bars systems. In this paper I will describe our new device design and processing, giving insight to its possible applications and advantages over simple light emitting laser diode.
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