Quantum phase slips and voltage fluctuations in superconducting nanowires: Quantum phase slips and voltage fluctuations in superconducting nanowires
Sign Up to like & getrecommendations! Published in 2017 at "Protein Science"
DOI: 10.1002/prop.201600043
Abstract: We argue that quantum phase slips (QPS) may generate non-equilibrium voltage fluctuations in superconducting nanowires. In the low frequency limit we evaluate all cumulants of the voltage operator which obey Poisson statistics and show a… read more here.
Keywords: voltage fluctuations; superconducting nanowires; fluctuations superconducting; phase slips ... See more keywords
Infrared single-photon sensitivity in atomic layer deposited superconducting nanowires
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0048799
Abstract: We report on the extended infrared single-photon response of niobium nitride superconducting nanowires deposited by atomic layer deposition. The superconducting nanowire single-photon detectors are based on 4.65 nm thick NbN, patterned into 100 nm meanders, and characterized… read more here.
Keywords: photon sensitivity; photon; atomic layer; infrared single ... See more keywords
50 Ω transmission lines with extreme wavelength compression based on superconducting nanowires on high-permittivity substrates
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0077008
Abstract: We demonstrate impedance-matched low-loss transmission lines with a signal wavelength more than 150 times smaller than the free space wavelength using superconducting nanowires on high permittivity substrates. A niobium nitride thin film is patterned in… read more here.
Keywords: superconducting nanowires; transmission; high permittivity; wavelength ... See more keywords
Full counting statistics of quantum phase slips
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.094516
Abstract: We work out a microscopic theory describing complete statistics of voltage fluctuations generated by quantum phase slips (QPS) in superconducting nanowires. We evaluate the cumulant generating function and demonstrate that shot noise of the voltage… read more here.
Keywords: voltage fluctuations; quantum phase; voltage; superconducting nanowires ... See more keywords
Plasma modes in capacitively coupled superconducting nanowires
Sign Up to like & getrecommendations! Published in 2022 at "Beilstein Journal of Nanotechnology"
DOI: 10.3762/bjnano.13.24
Abstract: We investigate plasma oscillations in long electromagnetically coupled superconducting nanowires. We demonstrate that in the presence of inter-wire coupling plasma modes in each of the wires get split into two “new” modes propagating with different… read more here.
Keywords: plasma modes; capacitively coupled; coupled superconducting; superconducting nanowires ... See more keywords