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14 June 2021 Infrared upconversion imaging in nonlinear metasurfaces
Maria del Rocio Camacho-Morales, Davide Rocco, Lei Xu, Valerio F. Gili, Nikolay Dimitrov, Lyubomir Stoyanov, Zhonghua Ma, Andrei Komar, Mykhaylo Lysevych, Fouad Karouta, Alexander A. Dreischuh, Hark Hoe H. Tan, Giuseppe Leo, Costantino De Angelis, Chennupati Jagadish, Andrey E. Miroshnichenko, Mohsen Rahmani, Dragomir N. Neshev
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Advanced Photonics, Vol. 3, Issue 3, 036002 (June 2021). https://doi.org/10.1117/1.AP.3.3.036002
Abstract
Infrared imaging is a crucial technique in a multitude of applications, including night vision, autonomous vehicle navigation, optical tomography, and food quality control. Conventional infrared imaging technologies, however, require the use of materials such as narrow bandgap semiconductors, which are sensitive to thermal noise and often require cryogenic cooling. We demonstrate a compact all-optical alternative to perform infrared imaging in a metasurface composed of GaAs semiconductor nanoantennas, using a nonlinear wave-mixing process. We experimentally show the upconversion of short-wave infrared wavelengths via the coherent parametric process of sum-frequency generation. In this process, an infrared image of a target is mixed inside the metasurface with a strong pump beam, translating the image from the infrared to the visible in a nanoscale ultrathin imaging device. Our results open up new opportunities for the development of compact infrared imaging devices with applications in infrared vision and life sciences.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Maria del Rocio Camacho-Morales, Davide Rocco, Lei Xu, Valerio F. Gili, Nikolay Dimitrov, Lyubomir Stoyanov, Zhonghua Ma, Andrei Komar, Mykhaylo Lysevych, Fouad Karouta, Alexander A. Dreischuh, Hark Hoe H. Tan, Giuseppe Leo, Costantino De Angelis, Chennupati Jagadish, Andrey E. Miroshnichenko, Mohsen Rahmani, and Dragomir N. Neshev "Infrared upconversion imaging in nonlinear metasurfaces," Advanced Photonics 3(3), 036002 (14 June 2021). https://doi.org/10.1117/1.AP.3.3.036002
Published: 14 June 2021
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KEYWORDS
Infrared imaging
Upconversion
Gallium arsenide
Nanoantennas
Image processing
Infrared radiation
Visible radiation
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