Polarization Multiplexing Silicon-Photonic Optical Phased Array for 2D Wide-Angle Optical Beam Steering

被引：28
|
作者：
Yan, Xibo [1 ,2 ]
Chen, Jingye [1 ,2 ]
Dai, Daoxin [1 ,2 ]
Shi, Yaocheng [1 ,2 ]
机构：
[1] Zhejiang Univ, Coll Opt Sci & Engn, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Peoples R China
[2] Zhejiang Univ, Ningbo Res Inst, Ningbo 315100, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2021年 / 13卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Gratings; Beam steering; Two dimensional displays; Arrayed waveguide gratings; Multiplexing; Optical polarization; Optical interferometry; Optical phased array; polarization multiplexing; photonic integrated circuits;
D O I：
10.1109/JPHOT.2021.3058667
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose the silicon photonic optical phased array (OPA) with large scanning angle by using polarization multiplexing. A Mach-Zehnder interferometer (MZI) switch together with a polarization splitter/rotator is utilized to select the polarization mode input to the OPA. By optimizing the OPA grating emitter, the steering angle can be doubled with the input of the TE/TM polarization modes. An 1 x 16 silicon-based optical phased array with polarization multiplexing is designed as an example. The simulation results show that 77.4 degrees lateral beam steering with no sidelobes via phase tuning and 28.2 degrees longitudinal beam steering via wavelength tuning can be realized.
引用
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页数：7
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