Phase-change material assisted on-chip wavefront shaping for optical switching and beam splitting

被引：1
|
作者：
Wang, Tao [1 ]
Jia, Hao [1 ]
Chen, Haoxiang [1 ]
Yang, Jianhong [1 ]
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2023年 / 527卷
关键词：
Phase-change material; On-chip wavefront shaping; Optical switch; Optical beam splitter; DB POWER SPLITTER; MACH-ZEHNDER; COMPACT; METASURFACE; WAVELENGTH; DESIGN; GUIDES;
D O I：
10.1016/j.optcom.2022.128974
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
On-chip wavefront shaping is indispensable for implementing optical routing and signal processing. By referring to the concept of metasurface used in free space, we can realize the on-chip wavefront shaping to manipulate the guided wave. In this paper, we combine the phase-change material Sb2S3 nanorods with 1D on-chip meta -lens to manipulate the optical routing direction. We use the 1550 nm TE0 mode to realize the functions of 1 x 2 and 1 x 3 optical switching, and then the 1 x 2 and 1 x 3 beam splitting. By combining the function of beam deflection and beam splitting, we can realize tunable beam steering and complex optical flow control.
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收藏
页数：6
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