Records |
Author |
Zolotov, P. I.; Divochiy, A. V.; Vakhtomin, Y. B.; Morozov, P. V.; Seleznev, V. A.; Smirnov, K. V. |
Title |
Development of high-effective superconducting single-photon detectors aimed for mid-IR spectrum range |
Type |
Conference Article |
Year |
2017 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
Volume |
917 |
Issue |
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Pages |
062037 |
Keywords |
NbN SSPD, SNSPD |
Abstract |
We report on development of superconducting single-photon detectors (SSPD) with high intrinsic quantum efficiency in the wavelength range 1.31 – 3.3 μm. By optimization of the NbN film thickness and its compound, we managed to improve detection efficiency of the detectors in the range up to 3.3 μm. Optimized devices showed intrinsic quantum efficiencies as high as 10% at mid-IR range. |
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1742-6588 |
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no |
Call Number |
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Serial |
1233 |
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Author |
Smirnov, K. V.; Ptitsina, N. G.; Vakhtomin, Y. B.; Verevkin, A. A.; Gol’tsman, G. N.; Gershenzon, E. M. |
Title |
Energy relaxation of two-dimensional electrons in the quantum Hall effect regime |
Type |
Journal Article |
Year |
2000 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
Volume |
71 |
Issue |
1 |
Pages |
31-34 |
Keywords |
2DEG, GaAs/AlGaAs heterostructures |
Abstract |
The mm-wave spectroscopy with high temporal resolution is used to measure the energy relaxation times τe of 2D electrons in GaAs/AlGaAs heterostructures in magnetic fields B=0–4 T under quasi-equilibrium conditions at T=4.2 K. With increasing B, a considerable increase in τe from 0.9 to 25 ns is observed. For high B and low values of the filling factor ν, the energy relaxation rate τ −1e oscillates. The depth of these oscillations and the positions of maxima depend on the filling factor ν. For ν>5, the relaxation rate τ −1e is maximum when the Fermi level lies in the region of the localized states between the Landau levels. For lower values of ν, the relaxation rate is maximum at half-integer values of τ −1e when the Fermi level is coincident with the Landau level. The characteristic features of the dependence τ −1e (B) are explained by different contributions of the intralevel and interlevel electron-phonon transitions to the process of the energy relaxation of 2D electrons. |
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0021-3640 |
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http://jetpletters.ru/ps/899/article_13838.shtml (“Энергетическая релаксация двумерных электронов в области квантового эффекта Холла”) |
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1559 |
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Author |
Kitaeva, G. K.; Kornienko, V. V.; Kuznetsov, K. A.; Pentin, I. V.; Smirnov, K. V.; Vakhtomin, Y. B. |
Title |
Direct detection of the idler THz radiation generated by spontaneous parametric down-conversion |
Type |
Journal Article |
Year |
2019 |
Publication |
Opt. Lett. |
Abbreviated Journal |
Opt. Lett. |
Volume |
44 |
Issue |
5 |
Pages |
1198-1201 |
Keywords |
HEB applications |
Abstract |
We study parametric down-conversion (PDC) of optical laser radiation in the strongly frequency non-degenerate regime which is promising for the generation of quantum-correlated pairs of extremely different spectral ranges, the optical and the terahertz (THz) ones. The possibility to detect tenuous THz-frequency photon fluxes generated under low-gain spontaneous PDC is demonstrated using a hot electron bolometer. Then experimental dependences of the THz radiation power on the detection angle and on the pump intensity are analyzed. |
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0146-9592 |
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PMID:30821747 |
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no |
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1801 |
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Author |
Vorobyov, V. V.; Kazakov, A. Y.; Soshenko, V. V.; Korneev, A. A.; Shalaginov, M. Y.; Bolshedvorskii, S. V.; Sorokin, V. N.; Divochiy, A. V.; Vakhtomin, Y. B.; Smirnov, K. V.; Voronov, B. M.; Shalaev, V. M.; Akimov, A. V.; Goltsman, G. N. |
Title |
Superconducting detector for visible and near-infrared quantum emitters [Invited] |
Type |
Journal Article |
Year |
2017 |
Publication |
Opt. Mater. Express |
Abbreviated Journal |
Opt. Mater. Express |
Volume |
7 |
Issue |
2 |
Pages |
513-526 |
Keywords |
SSPD, SNSPD |
Abstract |
Further development of quantum emitter based communication and sensing applications intrinsically depends on the availability of robust single-photon detectors. Here, we demonstrate a new generation of superconducting single-photon detectors specifically optimized for the 500–1100 nm wavelength range, which overlaps with the emission spectrum of many interesting solid-state atom-like systems, such as nitrogen-vacancy and silicon-vacancy centers in diamond. The fabricated detectors have a wide dynamic range (up to 350 million counts per second), low dark count rate (down to 0.1 counts per second), excellent jitter (62 ps), and the possibility of on-chip integration with a quantum emitter. In addition to performance characterization, we tested the detectors in real experimental conditions involving nanodiamond nitrogen-vacancy emitters enhanced by a hyperbolic metamaterial. |
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ISSN |
2159-3930 |
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1234 |
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Lobanov, Y. V.; Vakhtomin, Y. B.; Pentin, I. V.; Rosental, V. A.; Smirnov, K. V.; Goltsman, G. N.; Volkov, O. Y.; Dyuzhikov, I. N.; Galiev, R. R.; Ponomarev, D. S.; Khabibullin, R. A. |
Title |
Time-resolved measurements of light–current characteristic and mode competition in pulsed THz quantum cascade laser |
Type |
Journal Article |
Year |
2021 |
Publication |
Optical Engineering |
Abbreviated Journal |
Optical Engineering |
Volume |
60 |
Issue |
8 |
Pages |
1-8 |
Keywords |
HEB, terahertz pulse generation, terahertz pulse detection, QCL, quantum cascade laser, superconducting hot electron bolometer |
Abstract |
Quantum cascade lasers (QCL) are widely adopted as prominent and easy-to-use solid-state sources of terahertz radiation. Yet some applications require generation and detection of very sharp and narrow terahertz-range pulses with a specific spectral composition. We have studied time-resolved light-current (L–I) characteristics of multimode THz QCL operated with a fast ramp of the injection current. Detection of THz pulses was carried out using an NbN superconducting hot-electron bolometer with the time constant of the order of 1 ns while the laser bias current was swept during a single driving pulse. A nonmonotonic behavior of the L–I characteristic with several visually separated subpeaks was found. This behavior is associated with the mode competition in THz QCL cavity, which we confirm by L–I measurements with use of an external Fabry–Perot interferometer for a discrete mode selection. We also have demonstrated the possibility to control the L–I shape with suppression of one of the subpeaks by simply adjusting the off-axis parabolic mirror for optimal optical alignment for one of the laser modes. The developed technique paves the way for rapid characterization of pulsed THz QCLs for further studies of the possibilities of using this approach in remote sensing. |
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Spie |
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no |
Call Number |
10.1117/1.Oe.60.8.082019 |
Serial |
1260 |
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Author |
Baeva, E. M.; Sidorova, M. V.; Korneev, A. A.; Smirnov, K. V.; Divochy, A. V.; Morozov, P. V.; Zolotov, P. I.; Vakhtomin, Y. B.; Semenov, A. V.; Klapwijk, T. M.; Khrapai, V. S.; Goltsman, G. N. |
Title |
Thermal properties of NbN single-photon detectors |
Type |
Journal Article |
Year |
2018 |
Publication |
Phys. Rev. Applied |
Abbreviated Journal |
Phys. Rev. Applied |
Volume |
10 |
Issue |
6 |
Pages |
064063 (1 to 8) |
Keywords |
NbN SSPD, SNSPD |
Abstract |
We investigate thermal properties of a NbN single-photon detector capable of unit internal detection efficiency. Using an independent calibration of the coupling losses, we determine the absolute optical power absorbed by the NbN film and, via resistive superconductor thermometry, the temperature dependence of the thermal resistance Z(T) of the NbN film. In principle, this approach permits simultaneous measurement of the electron-phonon and phonon-escape contributions to the energy relaxation, which in our case is ambiguous because of the similar temperature dependencies. We analyze Z(T) with a two-temperature model and impose an upper bound on the ratio of electron and phonon heat capacities in NbN, which is surprisingly close to a recent theoretical lower bound for the same quantity in similar devices. |
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ISSN |
2331-7019 |
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no |
Call Number |
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Serial |
1226 |
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Author |
Antipov, S. V.; Svechnikov, S. I.; Smirnov, K. V.; Vakhtomin, Y. B.; Finkel, M. I.; Goltsman, G. N.; Gershenzon, E. M. |
Title |
Noise temperature of quasioptical NbN hot electron bolometer mixers at 900 GHz |
Type |
Journal Article |
Year |
2001 |
Publication |
Physics of Vibrations |
Abbreviated Journal |
Physics of Vibrations |
Volume |
9 |
Issue |
4 |
Pages |
242-245 |
Keywords |
NbN HEB mixers |
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1069-1227 |
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no |
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1550 |
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Svechnikov, S. I.; Antipov, S. V.; Vakhtomin, Y. B.; Goltsman, G. N.; Gershenzon, E. M.; Cherednichenko, S. I.; Kroug, M.; Kollberg, E. |
Title |
Conversion and noise bandwidths of terahertz NbN hot-electron bolometer mixers |
Type |
Journal Article |
Year |
2001 |
Publication |
Physics of Vibrations |
Abbreviated Journal |
Physics of Vibrations |
Volume |
9 |
Issue |
3 |
Pages |
205-210 |
Keywords |
NbN HEB mixers |
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1069-1227 |
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no |
Call Number |
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Serial |
1551 |
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Author |
Kuznetsov, K. A.; Kornienko, V. V.; Vakhtomin, Y. B.; Pentin, I. V.; Smirnov, K. V.; Kitaeva, G. K. |
Title |
Generation and detection of optical-terahertz biphotons via spontaneous parametric downconversion |
Type |
Conference Article |
Year |
2018 |
Publication |
Proc. ICLO |
Abbreviated Journal |
Proc. ICLO |
Volume |
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Issue |
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Pages |
303 |
Keywords |
NbN HEB applications |
Abstract |
We study spontaneous parametric downconversion (SPDC) in the strongly non-degenerate regime when the idler wave hits the terahertz range. By using the hot-electron bolometer, for the first time the SPDC-generated idler-wave photons were directly detected in the terahertz frequency range. Spectrum of corresponding signal photons was measured using standard technique by the CCD camera. Possible applications of correlated optical-terahertz biphotons are discussed. |
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International Conference Laser Optics |
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no |
Call Number |
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Serial |
1806 |
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Author |
Moshkova, M. A.; Morozov, P. V.; Antipov, A. V.; Vakhtomin, Y. B.; Smirnov, K. V. |
Title |
High-efficiency multi-element superconducting single-photon detector |
Type |
Conference Article |
Year |
2021 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
Volume |
11771 |
Issue |
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Pages |
2-8 |
Keywords |
PNR SSPD, large active area, detection efficiency |
Abstract |
We present the result of the creation and investigation of the multi-element superconducting single photon detectors, which can recognize the number of photons (up to six) in a short pulse of the radiation at telecommunication wavelengths range. The best receivers coupled with single-mode fiber have the system quantum efficiency of ⁓85%. The receivers have a 100 ps time resolution and a few nanoseconds dead time that allows them to operate at megahertz counting rate. Implementation of the multi-element architecture for creation of the superconducting single photon detectors with increased sensitive area allows to create the high efficiency receivers coupled with multi-mode fibers and with preserving of the all advantages of superconducting photon counters. |
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SPIE |
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Prochazka, I.; Štefaňák, M.; Sobolewski, R.; Gábris, A. |
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Quantum Optics and Photon Counting |
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no |
Call Number |
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Serial |
1795 |
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Author |
Korneeva, Y. P.; Mikhailov, M. Y.; Pershin, Y. P.; Manova, N. N.; Divochiy, A. V.; Vakhtomin, Y. B.; Korneev, A. A.; Smirnov, K. V.; Sivakov, A. G.; Devizenko, A. Y.; Goltsman, G. N. |
Title |
Superconducting single-photon detector made of MoSi film |
Type |
Journal Article |
Year |
2014 |
Publication |
Supercond. Sci. Technol. |
Abbreviated Journal |
Supercond. Sci. Technol. |
Volume |
27 |
Issue |
9 |
Pages |
095012 |
Keywords |
SSPD, SNSPD |
Abstract |
We fabricated and characterized nanowire superconducting single-photon detectors made of 4 nm thick amorphous Mox Si1−x films. At 1.7 K the best devices exhibit a detection efficiency (DE) up to 18% at 1.2 $\mu {\rm m}$ wavelength of unpolarized light, a characteristic response time of about 6 ns and timing jitter of 120 ps. The DE was studied in wavelength range from 650 nm to 2500 nm. At wavelengths below 1200 nm these detectors reach their maximum DE limited by photon absorption in the thin MoSi film. |
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IOP Publishing |
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Edition |
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0953-2048 |
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RPLAB @ sasha @ korneeva2014superconducting |
Serial |
1044 |
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Author |
Smirnov, A. V.; Karmantsov, M. S.; Smirnov, K. V.; Vakhtomin, Y. B.; Masterov, D. V.; Tarkhov, M. A.; Pavlov, S. A.; Parafin, A. E. |
Title |
Terahertz response of thin-film YBCO bolometers |
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Journal Article |
Year |
2012 |
Publication |
Tech. Phys. |
Abbreviated Journal |
Tech. Phys. |
Volume |
57 |
Issue |
12 |
Pages |
1716-1719 |
Keywords |
YBCO HEB |
Abstract |
The bolometric response of high-temperature thin-film YBCO superconducting detectors to an electromagnetic radiation with a frequency of 2.5 THz is measured for the first time. The minimum value of the noise-equivalent power of the detectors is 3.5 × 10−9 W/Hz−−−√. The feasibility of further increasing the sensitivity of the detectors is discussed. |
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1063-7842 |
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no |
Call Number |
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Serial |
1817 |
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