Extending the sensitivity of superconducting nanowire single-photon detectors to infrared wavelengths

Gregor G. Taylor; Alexander B. Walter; Boris A. Korzh; Jason Allmaras; Bruce Bumble; Andrew D. Beyer; Emma E. Wollman; Matthew D. Shaw

doi:10.1117/12.2663570

15 June 2023 Extending the sensitivity of superconducting nanowire single-photon detectors to infrared wavelengths

Gregor G. Taylor, Alexander B. Walter, Boris A. Korzh, Jason Allmaras, Bruce Bumble, Andrew D. Beyer, Emma E. Wollman, Matthew D. Shaw

Author Affiliations +

Proceedings Volume PC12512, Advanced Photon Counting Techniques XVII; PC1251205 (2023) https://doi.org/10.1117/12.2663570
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

Superconducting nanowire single-photon detectors (SNSPDs) have long been the detector of choice for photon-counting applications in the near-infrared that demand high efficiency, high timing resolution and low dark counts. Extending the operation of these detectors to mid-infrared wavelengths above 2 µm would enable a host of applications in the fields of chemical and remote sensing, LIDAR and quantum optics. Pushing the range of these detectors deeper into the mid-infrared would also be of interest to the astronomical and dark matter communities. In this work we demonstrate long-wavelength sensitivity in SNSPDs by careful material and device optimization. We also show work towards efficient, low jitter devices in the mid-infrared.

Conference Presentation

Citation Download Citation

Gregor G. Taylor, Alexander B. Walter, Boris A. Korzh, Jason Allmaras, Bruce Bumble, Andrew D. Beyer, Emma E. Wollman, and Matthew D. Shaw "Extending the sensitivity of superconducting nanowire single-photon detectors to infrared wavelengths", Proc. SPIE PC12512, Advanced Photon Counting Techniques XVII, PC1251205 (15 June 2023); https://doi.org/10.1117/12.2663570

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