journal article·2025-02Open access

Switchable Pancharatnam–Berry Phases in Heterogeneously Integrated THz Metasurfaces

Bowen Dong, Shuangqi Zhu, Guanxuan Guo, Tong Wu, Xueguang Lu, Wanxia Huang, Hua Ma, Quan Xu, Jiaguang Han, Shuang Zhang, Yongtian Wang, Xueqian Zhang, Lingling Huang

Advanced Materials· Volume 37· Issue 6

Abstract

Abstract The Pancharatnam–Berry (PB) phase has revolutionized the design of metasurfaces, offering a straightforward and robust method for controlling wavefronts of electromagnetic waves. However, traditional metasurfaces have fixed PB phases determined by the orientation of their individual elements. In this study, an innovative structural design and integration scheme is proposed that utilizes vanadium dioxide, a phase‐change material, to achieve thermally controlled dynamic PB phase control within the metasurface. By leveraging the material's properties, this can dynamically alter the optical orientation of individual elements of the metasurface and achieve temperature‐dependent local phase modulation based on the geometric phase principle. This approach, combined with advanced fabrication processing technology, paves the way for next‐generation dynamic devices with customizable functions.
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Research context

OpenAlex topics: Metamaterials and Metasurfaces Applications · Advanced Antenna and Metasurface Technologies · Antenna Design and Analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Optics and Photonics Beijing Engineering Research Center of Mixed Reality and Advanced Display Beijing Institute of Technology Beijing 100081 China

National Innovation Institute of Defense Technology Academy of Military Sciences Beijing 100071 China

Center for Terahertz waves and College of Precision Instrument and Optoelectronics Engineering Tianjin University and the Key Laboratory of Optoelectronics Information and Technology (Ministry of Education) Tianjin 300072 China

College of Materials Science and Engineering Sichuan University Chengdu 610065 China

Department of Basic Sciences Air Force Engineering University Xian 710038 China

Guangxi Key Laboratory of Optoelectronic Information Processing School of Optoelectronic Engineering Guilin University of Electronic Technology Guilin 541004 China

New Cornerstone Science Laboratory Department of Physics University of Hong Kong Hong Kong 999077 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Beijing Municipal Natural Science Foundation · Cornerstone Specialty Wood Products

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