Polarization independence in superconducting microwire single-photon detectors

Dileep V. Reddy; Dileep V. Reddy; Negar Otrooshi; Negar Otrooshi; Sae Woo Nam; Richard P. Mirin; Varun B. Verma

doi:10.1364/CLEO_SI.2022.SM3K.2

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper SM3K.2
•https://doi.org/10.1364/CLEO_SI.2022.SM3K.2

Polarization independence in superconducting microwire single-photon detectors

Dileep V. Reddy, Negar Otrooshi, Sae Woo Nam, Richard P. Mirin, and Varun B. Verma

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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D. V. Reddy, N. Otrooshi, S. W. Nam, R. P. Mirin, and V. B. Verma, "Polarization independence in superconducting microwire single-photon detectors," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SM3K.2.

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Abstract

Micrometer-scale superconducting wires can detect single photons at near-infrared wavelengths. We employ a novel meander geometry to fabricate high-fill factor microwire devices with low polarization sensitivity (1.02 ± 0.008) and high efficiency 93%) across a 40 nm bandwidth centered at 1550 nm.

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