Dual-layer waveguide grating antenna with high directionality for optical phased arrays.
作者信息
Wang Qing, Wang Shuxiao, Zeng Youhong, Wang Wei, Cai Yan, Tu Zhijuan, Yue Wencheng, Wang Xi, Fang Qing, Yu Mingbin
出版信息
Appl Opt. 2019 Jul 20;58(21):5807-5811. doi: 10.1364/AO.58.005807.
PMID:31503888
Abstract
Development of the waveguide grating antenna with high directionality is significantly important for the optical phased array. A SiN/Si dual-layer structure with the grating pattern on the SiN layer is proposed to improve the directionality of the waveguide grating antenna. High directionality of more than 89% can be achieved, and the length of the waveguide grating antenna is longer than 4 mm.
摘要
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