Optical absorbers find uses in a wide array of applications across the electromagnetic
spectrum, including photovoltaic and photochemical cells, photodetectors, optical filters …

Single‐photon detectors and nanoscale superconducting devices are two major candidates
for realizing quantum technologies. Superconducting‐nanowire single‐photon detectors …

Single-photon detectors at near-infrared wavelengths with high system detection efficiency
(> 90%), low dark count rate (< 1 cps), low timing jitter (< 100 ps) and short reset time (< 100 …

Josephson junctions are superconducting devices used as high-sensitivity magnetometers
and voltage amplifiers as well as the basis of high-performance cryogenic computers and …

In this paper we intend to give a comprehensive description of the current understanding of
the detection mechanism in superconducting nanowire single-photon detectors. We will …

We designed, fabricated, and measured superconducting nanowire single-photon detectors
(SSPDs) with low filling factor which achieve high system detection efficiency (SDE) and …

For ultrathin films of a given material, light absorption is proportional to the film thickness.
However, if the optical constants of the film are chosen in an optimal way, light absorption …

We demonstrate superconducting nanowire single-photon detectors (SNSPDs) based on a
fractal design of the nanowires to reduce the polarization sensitivity of detection efficiency …

Common methods to achieve photon number resolution rely on fast on-off single-photon
detectors in conjunction with temporal or spatial mode multiplexing. Yet, these methods …

We probe the local detection efficiency in a nanowire superconducting single-photon
detector along the cross-section of the wire with a far subwavelength resolution. We …