Saba Kiran, Kafar Anna, Kacperski Jacek, Gibasiewicz Krzysztof, Schiavon Dario, Oto Takao, Grzanka Szymon, Perlin Piotr
Institute of High Pressure Physics, Polish Academy of Sciences, 01-142 Warsaw, Poland.
TopGaN Limited, 01-142 Warsaw, Poland.
Micromachines (Basel). 2023 Jan 31;14(2):352. doi: 10.3390/mi14020352.
In this study, we propose a solution for realization of surface emitting, 2D array of visible light laser diodes based on AlInGaN semiconductors. The presented system consists of a horizontal cavity lasing section adjoined with beam deflecting section in the form of 45° inclined planes. They are placed in the close vicinity of etched vertical cavity mirrors that are fabricated by Reactive Ion Beam Etching. The principle of operation of this device is confirmed experimentally; however, we observed an unexpected angular distribution of reflected rays for the angles lower than 45°, which we associate with the light diffraction and interference between the vertical and deflecting mirrors. The presented solution offers the maturity of edge-emitting laser technology combined with versatility of surface-emitting lasers, including on-wafer testing of emitters and addressability of single light sources.
在本研究中,我们提出了一种基于AlInGaN半导体实现表面发射可见光激光二极管二维阵列的解决方案。所提出的系统由一个水平腔激射部分和一个呈45°倾斜平面形式的光束偏转部分相连组成。它们放置在通过反应离子束蚀刻制造的蚀刻垂直腔镜的紧邻处。该器件的工作原理已通过实验得到证实;然而,我们观察到对于小于45°的角度,反射光线存在意外的角分布,我们将其与垂直镜和偏转镜之间的光衍射和干涉联系起来。所提出的解决方案兼具边缘发射激光技术的成熟性和表面发射激光器的多功能性,包括发射器的晶圆上测试和单个光源的可寻址性。