Design of sandwich-type waveguide grating antenna with ultra-long transmission distance and high directionality
Year: 2025
Type: article
Abstract: In order to make the silicon-based optical phased array(SOPA) have a small divergence angle and high directionality, and achieve high-resolution scanning, this paper proposes a sandwich-type waveguide grating antenna (SWGA) based on the Si-Si3N4-Si3N4 platform, which can achieve an effective transmission distance of 1.22cm and finally obtain a divergence angle of 0.0065°. And it has a high upward directionality of 87.41%. Thanks to its large critical dimension, the proposed structure is suitable for manufacturing in complementary metal oxide semiconductor (CMOS) foundries with deep ultraviolet (DUV) lithography.
Source: Optics Continuum
Authors: Hang Su, Bo Zhang, Yuanming Zhao, Fuling Zhang, Pengfei Zhang, Zhihua Feng, Guangyan Dong
Language: English
Topic: Photonic and Optical Devices
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,372
OpenAlex ID: W4408345791