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Conferences > CLEO_Europe > 2023 > cd_1 > cd_1_5
  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper cd_1_5

Infrared upconversion imaging based on membrane silicon metasurface

Ze Zheng, Lujun Huang, Daria Smirnova, Khosro Zangeneh Kamali, Arman Yousefi, Fu Deng, Rocio Camacho-Morales, Cuifeng Ying, Andrey E. Miroshnichenko, Dragomir N. Neshev, Mohsen Rahmani, and Lei Xu

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Abstract

Nonlinear nanophotonics has been attracting tremendous attention due to its vast applications in sensing, optical microscopy, and quantum photon source generation. Nonlinear metesurfaces have been recognised as a potential substitute for commercial IR imaging and spectroscopy detectors because of their superiority of being ultra-compact, and containing fewer components for signal conversion [1]. Here, we propose silicon membrane metasurfaces with smaller unit-cell sizes (Fig. 1a) to enhance local light confinement and to increase the conversion efficiency and spatial resolution of the third-harmonic generation (THG) in IR imaging applications [2].

© 2023 IEEE

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