Superconducting nanowires for single‐photon detection: progress, challenges, and opportunities

I Holzman, Y Ivry - Advanced Quantum Technologies, 2019 - Wiley Online Library
Single‐photon detectors and nanoscale superconducting devices are two major candidates
for realizing quantum technologies. Superconducting‐nanowire single‐photon detectors …

2 GHz clock quantum key distribution over 260 km of standard telecom fiber

S Wang, W Chen, JF Guo, ZQ Yin, HW Li, Z Zhou… - Optics letters, 2012 - opg.optica.org
We report a demonstration of quantum key distribution (QKD) over a standard telecom fiber
exceeding 50 dB in loss and 250 km in length. The differential phase shift QKD protocol was …

Superconducting properties of very high quality NbN thin films grown by high temperature chemical vapor deposition

D Hazra, N Tsavdaris, S Jebari, A Grimm… - Superconductor …, 2016 - iopscience.iop.org
Niobium nitride (NbN) is widely used in high-frequency superconducting electronics circuits
because it has one of the highest superconducting transition temperatures (${T} _ {{\rm …

Superconducting single-photon detector made of MoSi film

YP Korneeva, MY Mikhailov, YP Pershin… - Superconductor …, 2014 - iopscience.iop.org
We fabricated and characterized nanowire superconducting single-photon detectors made
of 4 nm thick amorphous Mo x Si 1− x films. At 1.7 K the best devices exhibit a detection …

Temporal and photon number resolution of superconducting nanowire single-photon detectors

J **e, H Zhang - Applied Physics B, 2024 - Springer
Single-photon detectors based on superconducting nanowires (SNSPDs) are promising
technologies with good comprehensive performance, especially their excellent temporal …

Three temperature regimes in superconducting photon detectors: quantum, thermal and multiple phase-slips as generators of dark counts

A Murphy, A Semenov, A Korneev, Y Korneeva… - Scientific reports, 2015 - nature.com
We perform measurements of the switching current distributions of three w≈ 120 nm wide, 4
nm thick NbN superconducting strips which are used for single-photon detectors. These …

Photon-counting optical time-domain reflectometry using a superconducting nanowire single-photon detector

J Hu, Q Zhao, X Zhang, L Zhang, X Zhao… - Journal of lightwave …, 2012 - ieeexplore.ieee.org
A novel photon-counting optical time-domain reflectometry (ν-OTDR) based on
superconducting nanowire single-photon detector (SNSPD) is proposed and demonstrated …

Dependence of dark count rates in superconducting single photon detectors on the filtering effect of standard single mode optical fibers

K Smirnov, Y Vachtomin, A Divochiy… - Applied Physics …, 2015 - iopscience.iop.org
We found that background radiation limits the dark count rates of superconducting single
photon detectors coupled to standard single mode optical fibers to a minimum level when …

Ultra-low noise single-photon detector based on Si avalanche photodiode

YS Kim, YC Jeong, S Sauge, V Makarov… - Review of scientific …, 2011 - pubs.aip.org
Ultra-low noise single-photon detector based on Si avalanche photodiode | Review of Scientific
Instruments | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text Close …

A chemical vapor deposition route to epitaxial superconducting NbTiN thin films

N Tsavdaris, D Harza, S Coindeau, G Renou… - Chemistry of …, 2017 - ACS Publications
The deposition of epitaxial superconducting (Nb, Ti) N thin films is addressed with a new
approach, using a chemical vapor deposition technique with in situ production of precursors …