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Proceedings Paper

Circular optical phased array for 360° constant amplitude scanning
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Paper Abstract

Optical phased arrays (OPAs) are widely used in many applications to realize high-speed optical beam scanning. At present OPAs often suffer from limited scanning range. Here we propose a circular optical phased array (COPA) based on silicon photonics platform. According to our simulations, by positioning the OPA units in a circle and adopting a specific phase distribution, the COPA can realize 360° constant amplitude scanning. In addition, the design of the disk grating coupler, which is the key device of the COPA, is presented. The COPA is believed to have great potential for applications where a wide scanning range is mandatory.

Paper Details

Date Published: 15 November 2018
PDF: 5 pages
Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109644Z (15 November 2018); doi: 10.1117/12.2506237
Show Author Affiliations
Xuecheng Liu, Tsinghua Univ. (China)
Bing Xiong, Tsinghua Univ. (China)
Changzheng Sun, Tsinghua Univ. (China)
Zhibiao Hao, Tsinghua Univ. (China)
Lai Wang, Tsinghua Univ. (China)
Jian Wang, Tsinghua Univ. (China)
Yanjun Han, Tsinghua Univ. (China)
Hongtao Li, Tsinghua Univ. (China)
Yi Luo, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 10964:
Tenth International Conference on Information Optics and Photonics
Yidong Huang, Editor(s)

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