Superconducting nanowire single photon detectors and detector arrays in the mid-infrared

V. B. Verma; B. Korzh; E. Wollman; Y. Zhai; A. Walter; E. Schmidt; A. Lita; J. Allmaras; M. D. Shaw; R. P. Mirin; S. W. Nam

doi:10.1117/12.2619230

30 May 2022 Superconducting nanowire single photon detectors and detector arrays in the mid-infrared

V. B. Verma, B. Korzh, E. Wollman, Y. Zhai, A. Walter, E. Schmidt, A. Lita, J. Allmaras, M. D. Shaw, R. P. Mirin, S. W. Nam

Author Affiliations +

Proceedings Volume 12089, Advanced Photon Counting Techniques XVI; 1208908 (2022) https://doi.org/10.1117/12.2619230
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

We will discuss recently-developed approaches to improve sensitivity of superconducting nanowire single photon detectors in the mid-infrared, showing saturated internal detection efficiency up to a wavelength of 10 microns. We will also show preliminary data from small 64-element SNSPD arrays with high internal detection efficiency in the midinfrared at 3.5 μm, and will discuss calibration techniques we are developing for measuring system detection efficiency in this region of the spectrum.

Conference Presentation

Citation Download Citation

V. B. Verma, B. Korzh, E. Wollman, Y. Zhai, A. Walter, E. Schmidt, A. Lita, J. Allmaras, M. D. Shaw, R. P. Mirin, and S. W. Nam "Superconducting nanowire single photon detectors and detector arrays in the mid-infrared", Proc. SPIE 12089, Advanced Photon Counting Techniques XVI, 1208908 (30 May 2022); https://doi.org/10.1117/12.2619230

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