Waveguide-Coupled Mid-IR Photodetector Based on Interlayer Excitons Absorption in a WS2/HfS2 Heterostructure

Shahar Edelstein; S.R.K. Chaitanya Indukuri; Noa Mazurski; Uriel Levy

doi:10.1364/CLEO_SI.2022.SM3K.8

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper SM3K.8
•https://doi.org/10.1364/CLEO_SI.2022.SM3K.8

Waveguide-Coupled Mid-IR Photodetector Based on Interlayer Excitons Absorption in a WS₂/HfS₂ Heterostructure

Shahar Edelstein, S.R.K. Chaitanya Indukuri, Noa Mazurski, and Uriel Levy

CLEO: Science and Innovations 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Photodetection (SM3K)

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S. Edelstein, S. R. K. C. Indukuri, N. Mazurski, and U. Levy, "Waveguide-Coupled Mid-IR Photodetector Based on Interlayer Excitons Absorption in a WS2/HfS2 Heterostructure," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SM3K.8.

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Abstract

We demonstrate a waveguide-coupled mid-IR photodetector based on interlayer excitons in a WS₂/HfS₂ heterostructure. We measure broadband photodetection, with responsivity in the order of tens of µA/W with low losses to the waveguide mode.

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