Multiple-polarization-sensitive photodetector based on a perovskite metasurface

Most polarization-sensitive photodetectors detect either linearly polarized (LP) or circularly polarized (CP) light. Here, we experimentally demonstrate a multiple-polarization photodetector based on a hybrid organic-inorganic perovskite (HOIP) metasurface, which is sensitive to both LP and CP light...

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Bibliographic Details
Published in:Optics letters 2022-02, Vol.47 (3), p.565-568
Main Authors: Li, Cheng-Yao, Chen, Chaowei, Liu, Yu, Su, Jing, Qi, Dong-Xiang, He, Jie, Fan, Ren-Hao, Cai, Qing, Li, Qingxuan, Peng, Ruwen, Huang, Xian-Rong, Wang, Mu
Format: Article
Language:English
Subjects:
Anisotropy
Antenna arrays
Antennas
Circular polarization
Linear polarization
Metasurfaces
OTHER INSTRUMENTATION
Perovskites
Photoelectric effect
Photoelectricity
Photometers
Polarized light
Single crystals
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Summary:Most polarization-sensitive photodetectors detect either linearly polarized (LP) or circularly polarized (CP) light. Here, we experimentally demonstrate a multiple-polarization photodetector based on a hybrid organic-inorganic perovskite (HOIP) metasurface, which is sensitive to both LP and CP light simultaneously. The perovskite metasurface is composed of a HOIP antenna array on a single-crystal HOIP film. Owing to the antenna anisotropy, the absorption of linearly polarized light at the metasurface depends on the polarization angle; also, due to the mirror asymmetry of the antenna elements, the metasurface is also sensitive to different circular polarizations. Polarization-dependent photocurrent responses to both LP and CP light are detected. Our results highlight the potential of perovskite metasurfaces for integrated photoelectric applications.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.441505