Design and demonstration of high efficiency perfectly vertical grating couplers with a random structure

Utilizing an automated optimization method, we propose a perfectly vertical grating coupler (PVGC) characterized by random structure, ...

Source: Optics Letters - April 1, 2024 Category: Physics Authors: Xin Jin Jinbin Xu Cuiwei Xue Chenxing Guo Liucheng Fu Min Liu Yunliang Shen Xueling Quan Xiulan Cheng Source Type: research