68 citations · 353 across the 12 of their papers we have counts for
12 papers
Photon-number dependent afterpulsing in superconducting nanostrip single-photon detectors
Sebastian M. F. Raupach, Mariia Sidorova, Alexej D. Semenov
Superconducting nanostrip single-photon detectors (SNSPD) are wide-spread tools in photonic quantum technologies. Here, we study afterpulsing in commercial SNSPD made of amorphous…
Enhancing the Performance of Superconducting Nanowire-Based Detectors with High-Filling Factor by Using Variable Thickness
Reza Baghdadi, Ekkehart Schmidt, Saman Jahani +9
Current crowding at bends of superconducting nanowire single-photon detectors is one of the main factors limiting the performance of meander-style detectors with large filling fact…
Local thermal fluctuations in current-carrying superconducting nanowires
Alexej D. Semenov, Mariia Sidorova, Mikhail A. Skvortsov +3
We analyze the effect of different types of fluctuations in internal electron energy on the rates of dark and photon counts in straight current-carrying superconducting nanowires.…
Electron energy relaxation in disordered superconducting NbN films
Mariia Sidorova, Alexej Semenov, Heinz-Wilhelm Hübers +8
We report on the inelastic-scattering rate of electrons on phonons and relaxation of electron energy studied by means of magnetoconductance, and photoresponse, respectively, in a s…
Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux
Mariia Sidorova, Alexej Semenov, Heinz-Wilhelm Hubers +4
We studied the effect of the external magnetic field and photon flux on timing jitter in photon detection by straight superconducting NbN nanowires. At two wavelengths 800 and 1560…
Superconducting noise bolometer with microwave bias and readout for array applications
A. A. Kuzmin, A. D. Semenov, S. V. Shitov +4
We present a superconducting noise bolometer for terahertz radiation, which is suitable for large-format arrays. It is based on an antenna-coupled superconducting micro-bridge embe…
Physical mechanisms of timing jitter in photon detection by current carrying superconducting nanowires
Mariia Sidorova, Alexej Semenov, Heinz-Wilhelm Hubers +4
We studied timing jitter in the appearance of photon counts in meandering nanowires with different fractional amount of bends. Timing jitter, which is the probability density of th…
Characteristics of superconducting tungsten silicide WxSi1-x for single photon detection
X. Zhang, A. Engel, Q. Wang +7
Superconducting properties of three series of amorphous WxSi1-x films with different thickness and stoichiometry were investigated by dc transport measurements in a magnetic field…
Effect of the wire width on the intrinsic detection efficiency of superconducting-nanowire single-photon detectors
R. Lusche, A. Semenov, H. -W. Huebers +7
Thorough spectral study of the intrinsic single-photon detection efficiency in superconducting TaN and NbN nanowires with different widths shows that the experimental cut-off in th…
Broadening of hot-spot response spectrum of superconducting NbN nanowire single-photon detector with reduced nitrogen content
D. Henrich, S. Dörner, M. Hofherr +6
The spectral detection efficiency and the dark count rate of superconducting nanowire single-photon detectors (SNSPD) has been studied systematically on detectors made from thin Nb…
Break-up of long-range coherence due to phase fluctuations in ultrathin superconducting NbN films
Y. Noat, T. Cren, C. Brun +7
Using scanning tunneling spectroscopy (STS), we address the problem of the superconductor-insulator phase transition (SIT) in homogeneously disordered ultrathin (2-15 nm) films of…
Non-thermal response of YBCO thin films to picosecond THz pulses
P. Probst, A. Semenov, M. Ries +16
The photoresponse of YBa2Cu3O7-d thin film microbridges with thicknesses between 15 and 50 nm was studied in the optical and terahertz frequency range. The voltage transients in re…