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Conferences > CLEO_SI > 2022 > SW4G > SW4G.3

THz Detectors with Photoconductive Metasurfaces Operating at Microwatt Gate Power Levels

Lucy L Hale, Charles Thomas Harris, Ting Shan Luk, Sadhvikas J Addamane, John L Reno, Igal Brener, and Oleg Mitrofanov

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Abstract

We demonstrate terahertz (THz) detectors enabling high signal-to-noise ratio photoconductive detection at gate powers as low as 5μW. This is achieved by integrating a photoconductive metasurface, which enhances the detector efficiency and sensitivity.

© 2022 The Author(s)

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Terahertz Photoconductive Metasurface Detector with enhanced Two-Step Photon Absorption at 1550 nm

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