Photon counting LIDAR at 23µm wavelength with superconducting nanowires | Zendy

Gregor G. Taylor | Zendy; D. Morozov | Zendy; Nathan R. Gemmell | Zendy; Kleanthis Erotokritou | Zendy; Shigehito Miki | Zendy; Hirotaka Terai | Zendy; Robert H. Hadfield | Zendy

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Photon counting LIDAR at 23µm wavelength with superconducting nanowires

Author(s) -

Gregor G. Taylor,

D. Morozov,

Nathan R. Gemmell,

Kleanthis Erotokritou,

Shigehito Miki,

Hirotaka Terai,

Robert H. Hadfield

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.038147

Subject(s) - photon counting , lidar , detector , optics , optical parametric oscillator , nanowire , wavelength , optoelectronics , absorption (acoustics) , photon , laser , materials science , infrared , near infrared spectroscopy , photonics , physics

In this work, we show a proof-of-principle benchtop single-photon light detection and ranging (LIDAR) depth imager at 2.3µm, utilizing superconducting nanowire single-photon detectors (SNSPDs). We fabricate and fiber-couple SNSPDs to exhibit enhanced photon counting performance in the mid-infrared. We present characterization results using an optical parametric oscillator source and deploy these detectors in a scanning LIDAR setup at 2.3µm wavelength. This demonstrates the viability of these detectors for future free-space photon counting applications in the mid-infrared where atmospheric absorption and background solar flux are low.

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