A crossed bowtie antenna coupled to an 80 nm-wide, 3 nm-thick WSi nanowire SNSPD boosts effective mid-IR detection area 15.7-fold at 7.4 μm while preserving internal efficiency and dark-count rate.
Low-noise single-photon counting superconducting nanowire detectors at infrared wavelengths up to
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Enhanced Mid-Infrared Single-Photon Detection with Antenna-Coupled Superconducting Nanowires
A crossed bowtie antenna coupled to an 80 nm-wide, 3 nm-thick WSi nanowire SNSPD boosts effective mid-IR detection area 15.7-fold at 7.4 μm while preserving internal efficiency and dark-count rate.