Superconducting nanowire single-photon detectors for quantum information

L You - Nanophotonics, 2020 - degruyter.com
The superconducting nanowire single-photon detector (SNSPD) is a quantum-limit
superconducting optical detector based on the Cooper-pair breaking effect by a single …

Strain engineering: A pathway for tunable functionalities of perovskite metal oxide films

S Dhole, A Chen, W Nie, B Park, Q Jia - Nanomaterials, 2022 - mdpi.com
Perovskite offers a framework that boasts various functionalities and physical properties of
interest such as ferroelectricity, magnetic orderings, multiferroicity, superconductivity …

Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor

R Arpaia, S Caprara, R Fumagalli, G De Vecchi… - Science, 2019 - science.org
Charge density modulations have been observed in all families of high–critical temperature
(T c) superconducting cuprates. Although they are consistently found in the underdoped …

Two-dimensional cuprate nanodetector with single telecom photon sensitivity at T= 20 K

RL Merino, P Seifert, JD Retamal, RK Mech… - 2D …, 2023 - iopscience.iop.org
Detecting light at the single-photon level is one of the pillars of emergent photonic
technologies. This is realized through state-of-the-art superconducting detectors that offer …

Restored strange metal phase through suppression of charge density waves in underdoped YBa2Cu3O7–δ

E Wahlberg, R Arpaia, G Seibold, M Rossi, R Fumagalli… - Science, 2021 - science.org
The normal state of optimally doped cuprates is dominated by the “strange metal” phase that
shows a linear temperature (T) dependence of the resistivity persisting down to the lowest T …

Unconventional applications of superconducting nanowire single photon detectors

T Polakovic, W Armstrong, G Karapetrov, ZE Meziani… - Nanomaterials, 2020 - mdpi.com
Superconducting nanowire single photon detectors are becoming a dominant technology in
quantum optics and quantum communication, primarily because of their low timing jitter and …

Single-photon detection using large-scale high-temperature MgB2 sensors at 20 K

I Charaev, EK Batson, S Cherednichenko… - Nature …, 2024 - nature.com
Ultra-fast single-photon detectors with high current density and operating temperature can
benefit space and ground applications, including quantum optical communication systems …

Probing the phase diagram of cuprates with thin films and nanowires

R Arpaia, E Andersson, E Trabaldo, T Bauch… - Physical Review …, 2018 - APS
We have grown and characterized 30-nm-thick YBa 2 Cu 3 O 7− δ (YBCO) films, deposited
by pulsed laser deposition on both MgO (110) and SrTiO 3 (001) substrates, which induce …

[HTML][HTML] Superconducting nano Josephson junctions patterned with a focused helium ion beam

EY Cho, YW Zhou, JY Cho, SA Cybart - Applied physics letters, 2018 - pubs.aip.org
We report the fabrication of nanoscale wires and Josephson junctions in 25 nm thick YBa 2
Cu 3 O 7–δ thin films with wire widths as narrow as 50 nm. Our approach utilizes a finely …

Scalable nanofabrication of high-quality nanowires for single-photon detectors

P Amari, S Kozlov, E Recoba-Pawlowski… - Physical Review …, 2023 - APS
The realization of superconducting single-photon detectors operating above the liquid-
helium temperature is currently the focus of intense research efforts. Here, we present the …