Superconducting nanowires for single‐photon detection: progress, challenges, and opportunities
Single‐photon detectors and nanoscale superconducting devices are two major candidates
for realizing quantum technologies. Superconducting‐nanowire single‐photon detectors …
for realizing quantum technologies. Superconducting‐nanowire single‐photon detectors …
Investigation of Microwave Loss Induced by Oxide Regrowth in High-Q Niobium Resonators
The coherence of state-of-the-art superconducting qubit devices is predominantly limited by
two-level-system defects, which are found primarily at amorphous interface layers. Reducing …
two-level-system defects, which are found primarily at amorphous interface layers. Reducing …
Tunable superconducting nanoinductors
We characterize inductors fabricated from ultra-thin, approximately 100 nm wide strips of
niobium (Nb) and niobium nitride (NbN). These nanowires have a large kinetic inductance in …
niobium (Nb) and niobium nitride (NbN). These nanowires have a large kinetic inductance in …
Reset dynamics and latching in niobium superconducting nanowire single-photon detectors
We study the reset dynamics of niobium (Nb) superconducting nanowire single-photon
detectors (SNSPDs) using experimental measurements and numerical simulations. The …
detectors (SNSPDs) using experimental measurements and numerical simulations. The …
Tantalum nitride superconducting single-photon detectors with low cut-off energy
A Engel, A Aeschbacher, K Inderbitzin… - Applied Physics …, 2012 - pubs.aip.org
Materials with a small superconducting energy gap are expected to favor a high detection
efficiency of low-energy photons in superconducting nanowire single-photon detectors. We …
efficiency of low-energy photons in superconducting nanowire single-photon detectors. We …
Single-photon detection using magnesium diboride superconducting nanowires
We fabricated 10 nm thick MgB 2 nanowires with a width down to 100 nm using the liftoff
process. The IV characteristics of the nanowire show hysteresis and a sharp voltage jump at …
process. The IV characteristics of the nanowire show hysteresis and a sharp voltage jump at …
Correlation between crystal structure, surface/interface microstructure, and electrical properties of nanocrystalline niobium thin films
Niobium (Nb) thin films, which are potentially useful for integration into electronics and
optoelectronics, were made by radio-frequency magnetron sputtering by varying the …
optoelectronics, were made by radio-frequency magnetron sputtering by varying the …
Characterization of the thin-film NbN superconductor for single-photon detection by transport measurements
SZ Lin, O Ayala-Valenzuela, RD McDonald… - Physical Review B …, 2013 - APS
The fabrication of high-quality thin superconducting films is essential for single-photon
detectors. Their device performance is crucially affected by their material parameters, thus …
detectors. Their device performance is crucially affected by their material parameters, thus …
Bolometric response in graphene based superconducting tunnel junctions
We fabricate graphene-TiO x-aluminum tunnel junctions and characterize their radio
frequency response. Below the superconducting critical temperature of aluminum and when …
frequency response. Below the superconducting critical temperature of aluminum and when …
Effect of the wire width on the intrinsic detection efficiency of superconducting-nanowire single-photon detectors
R Lusche, A Semenov, K Ilin, M Siegel… - Journal of Applied …, 2014 - pubs.aip.org
A thorough spectral study of the intrinsic single-photon detection efficiency in
superconducting TaN and NbN nanowires with different widths has been performed. The …
superconducting TaN and NbN nanowires with different widths has been performed. The …