Ultracompact topological photonic switch based on valley-vortex-enhanced high-efficiency phase shift

Hongwei Wang; Guojing Tang; Yu He; Zhen Wang; Xingfeng Li; Lu Sun; Yong Zhang; Luqi Yuan; Jianwen Dong; Yikai Su

doi:10.1038/s41377-022-00993-4

Light: Science & Applications (Oct 2022)

Ultracompact topological photonic switch based on valley-vortex-enhanced high-efficiency phase shift

Hongwei Wang,
Guojing Tang,
Yu He,
Zhen Wang,
Xingfeng Li,
Lu Sun,
Yong Zhang,
Luqi Yuan,
Jianwen Dong,
Yikai Su

Affiliations

Hongwei Wang: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Guojing Tang: State Key Laboratory of Optoelectronic Materials and Technologies & School of Physics, Sun Yat-sen University
Yu He: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Zhen Wang: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Xingfeng Li: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Lu Sun: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Yong Zhang: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University
Luqi Yuan: School of Physics and Astronomy, Shanghai Jiao Tong University
Jianwen Dong: State Key Laboratory of Optoelectronic Materials and Technologies & School of Physics, Sun Yat-sen University
Yikai Su: State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University

DOI: https://doi.org/10.1038/s41377-022-00993-4
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 9

Abstract

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An ultracompact 1 × 2 thermo-optic topological switch is demonstrated by leveraging the high-efficiency phase-shifting property and the sharp-turn feature of the topological waveguides.

Published in Light: Science & Applications

ISSN: 2047-7538 (Online)
Publisher: Nature Publishing Group
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: https://www.nature.com/lsa/

About the journal