| Records |
| Author |
Tretyakov, I.; Svyatodukh, S.; Perepelitsa, A.; Ryabchun, S.; Kaurova, N.; Shurakov, A.; Smirnov, M.; Ovchinnikov, O.; Goltsman, G. |
| Title |
Ag2S QDs/Si heterostructure-based ultrasensitive SWIR range detector |
Type |
Journal Article |
| Year |
2020 |
Publication |
Nanomaterials (Basel) |
Abbreviated Journal |
Nanomaterials (Basel) |
Volume  |
10 |
Issue |
5 |
Pages |
1-12 |
| Keywords |
detector; quantum dots; short-wave infrared range; silicon |
| Abstract |
In the 20(th) century, microelectronics was revolutionized by silicon-its semiconducting properties finally made it possible to reduce the size of electronic components to a few nanometers. The ability to control the semiconducting properties of Si on the nanometer scale promises a breakthrough in the development of Si-based technologies. In this paper, we present the results of our experimental studies of the photovoltaic effect in Ag2S QD/Si heterostructures in the short-wave infrared range. At room temperature, the Ag2S/Si heterostructures offer a noise-equivalent power of 1.1 x 10(-10) W/ radicalHz. The spectral analysis of the photoresponse of the Ag2S/Si heterostructures has made it possible to identify two main mechanisms behind it: the absorption of IR radiation by defects in the crystalline structure of the Ag2S QDs or by quantum QD-induced surface states in Si. This study has demonstrated an effective and low-cost way to create a sensitive room temperature SWIR photodetector which would be compatible with the Si complementary metal oxide semiconductor technology. |
| Address |
Laboratory of nonlinear optics, Zavoisky Physical-Technical Institute of the Russian Academy of Sciences, Kazan 420029, Russia |
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English |
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2079-4991 |
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PMID:32365694; PMCID:PMC7712218 |
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no |
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Serial |
1151 |
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| Author |
Soifer, B. T.; Pipher, J. L. |
| Title |
Instrumentation for infrared astronomy |
Type |
Journal Article |
| Year |
1978 |
Publication |
Annual Rev. Astron. Astrophys. |
Abbreviated Journal |
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| Volume |
16 |
Issue |
1 |
Pages |
335-369 |
| Keywords |
infrared applications |
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| ISSN |
0066-4146 |
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no |
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492 |
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| Author |
Kawakami, A; Saito, S.; Hyodo, M. |
| Title |
Fabrication of nano-antennas for superconducting Infrared detectors |
Type |
Journal Article |
| Year |
2011 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
21 |
Issue |
3 |
Pages |
632-635 |
| Keywords |
optical antennas, NbN/MgO/NbN/TiN/Al HEB, dipole antennas, IR, infrared |
| Abstract |
To improve the response performance of superconducting infrared detectors, we have developed a fabrication process for nano-antennas. A nano-antenna consists of a dipole antenna, and a superconducting thin film strip placed in the antenna's center. By measuring the transition temperature of the superconducting strips, we confirmed that their superconductivity maintained a good condition after the nano-antenna fabrication process. We also evaluated nano-antenna characteristics using Fourier transform infrared spectroscopy. The evaluated antenna length and width were respectively set at around 2400 nm and 400 nm, and the antennas were placed at intervals of several micrometers around the area of 1 mm2 . In an evaluation of spectral transmission characteristics, clear absorption caused by antenna effects was observed at around 1400 cm-1. High polarization dependencies were also observed. |
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761 |
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Ferrari, S.; Kovalyuk, V.; Hartmann, W.; Vetter, A.; Kahl, O.; Lee, C.; Korneev, A.; Rockstuhl, C.; Gol'tsman, G.; Pernice, W. |
| Title |
Hot-spot relaxation time current dependence in niobium nitride waveguide-integrated superconducting nanowire single-photon detectors |
Type |
Journal Article |
| Year |
2017 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
25 |
Issue |
8 |
Pages |
8739-8750 |
| Keywords |
SSPD, SNSPD, photon counting; Infrared; Quantum detectors; Integrated optics; Multiphoton processes; Photon statistics |
| Abstract |
We investigate how the bias current affects the hot-spot relaxation dynamics in niobium nitride. We use for this purpose a near-infrared pump-probe technique on a waveguide-integrated superconducting nanowire single-photon detector driven in the two-photon regime. We observe a strong increase in the picosecond relaxation time for higher bias currents. A minimum relaxation time of (22 +/- 1)ps is obtained when applying a bias current of 50% of the switching current at 1.7 K bath temperature. We also propose a practical approach to accurately estimate the photon detection regimes based on the reconstruction of the measured detector tomography at different bias currents and for different illumination conditions. |
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no |
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RPLAB @ kovalyuk @ |
Serial |
1118 |
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| Author |
Lobanov, Yury; Shcherbatenko, Michael; Shurakov, Alexander; Rodin, Alexander V.; Klimchuk, Artem; Nadezhdinsky, Alexander I.; Maslennikov, Sergey; Larionov, Pavel; Finkel, Matvey; Semenov, Alexander; Verevkin, Aleksandr A.; Voronov, Boris M.; Ponurovsky, Yakov; Klapwijk, Teunis M.; Gol'tsman, Gregory N. |
| Title |
Heterodyne detection at near-infrared wavelengths with a superconducting NbN hot-electron bolometer mixer |
Type |
Journal Article |
| Year |
2014 |
Publication |
Opt. Lett. |
Abbreviated Journal |
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| Volume |
39 |
Issue |
6 |
Pages |
1429-1432 |
| Keywords |
HEB, zebra, IR, infrared |
| Abstract |
We report on the development of a highly sensitive optical receiver for heterodyne IR spectroscopy at the communication wavelength of 1.5 μm (200 THz) by use of a superconducting hot-electron bolometer. The results are important for the resolution of narrow spectral molecular lines in the near-IR range for the study of astronomical objects, as well as for quantum optical tomography and fiber-optic sensing. Receiver configuration as well as fiber-to-detector light coupling designs are discussed. Light absorption of the superconducting detectors was enhanced by nano-optical antennas, which were coupled to optical fibers. An intermediate frequency (IF) bandwidth of about 3 GHz was found in agreement with measurements at 300 GHz, and a noise figure of about 25 dB was obtained that was only 10 dB above the quantum limit. |
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no |
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Serial |
906 |
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| Author |
González, F. J.; Boreman, G. D. |
| Title |
Comparison of dipole, bowtie, spiral and log-periodic IR antennas |
Type |
Journal Article |
| Year |
2005 |
Publication |
Infrared Physics & Technology |
Abbreviated Journal |
Inf Phys & Technol |
| Volume |
46 |
Issue |
5 |
Pages |
418-428 |
| Keywords |
optical antennas; Microbolometer; Infrared antennas; Antenna efficiency; Antenna-coupled detectors |
| Abstract |
Antenna-coupled microbolometers use planar lithographic antennas to couple infrared radiation into a bolometer with sub-micron dimensions. In this paper four different types of infrared antennas were fabricated on thin grounded-substrates and coupled to microbolometers. Dipole, bowtie, spiral and log-periodic IR antenna-coupled detectors were measured at 10.6 μm and their performance compared. A new method to calculate the radiation efficiency based on the spatial and angular response of infrared antennas is presented and used to evaluate their performance. The calculated radiation efficiency for the dipole, bowtie, spiral and log-periodic IR antennas was 20%, 37%, 25% and 46% respectively. A dipole-length study was performed and shows that the quasistatic value of the effective permittivity accurately describes the incident wavelength in the substrate at infrared frequencies for antennas on a thin substrate. |
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no |
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RPLAB @ gujma @ |
Serial |
739 |
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Thiébeau, C.; Courtois, D.; Delahaigue, A.; Corre, H.; Mouanda, J. C.; Fayt, A. |
| Title |
Dual-beam laser heterodyne spectrometer: Ethylene absorption spectrum in the 10 μm range |
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Journal Article |
| Year |
1988 |
Publication |
Applied Physics B: Photophysics and Laser Chemistry |
Abbreviated Journal |
Appl. Phys. B |
| Volume |
47 |
Issue |
4 |
Pages |
313-318 |
| Keywords |
infrared applications |
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0721-7269 |
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no |
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493 |
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| Author |
Teich, M. C. |
| Title |
Infrared heterodyne detection |
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Conference Article |
| Year |
1968 |
Publication |
Proc. IEEE |
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| Volume |
56 |
Issue |
1 |
Pages |
37-46 |
| Keywords |
minimum detectable power, quantum limit, infrared, IR mixer |
| Abstract |
Heterodyne experiments have been performed in the middle infrared region of the electromagnetic spectrum using the CO2laser as a radiation source. Theoretically optimum operation has been achieved at kHz heterodyne frequencies using photoconductive Ge:Cu detectors operated at 4°K, and at kHz and MHz frequencies using Pb1-xSnxSe photovoltaic detectors at 77°K. In accordance with the theory, the minimum detectable power observed is a factor of 2/η greater than the theoretically perfect quantum counter, hvΔf. The coefficient 2/η varies from 5 to 25 for the detectors investigated in this study. A comparison is made between photoconductive and photodiode detectors for heterodyne use in the infrared, and it is concluded that both are useful. Heterodyne detection at 10.6 µm is expected to be useful for communications applications, infrared radar, and heterodyne spectroscopy. It has particular significance because of the high radiation power available from the CO2laser, and because of the 8 to 14 µm atmospheric window. |
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IEEE |
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0018-9219 |
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no |
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1060 |
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Gershenson, M. E.; Gong, D.; Sato, T.; Karasik, B. S.; Sergeev, A. V. |
| Title |
Millisecond electron-phonon relaxation in ultrathin disordered metal films at millikelvin temperatures |
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Journal Article |
| Year |
2001 |
Publication |
Appl. Phys. Lett. |
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| Volume |
79 |
Issue |
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Pages |
2049-2051 |
| Keywords |
HEB detector, FIR, far infrared |
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no |
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RPLAB @ s @ heb_eph_interaction_Gershenzon |
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315 |
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| Author |
Rothermel, H.; Käufl, H. U.; Yu, Y. |
| Title |
A heterodyne spectrometer for astronomical measurements at 10 micrometers |
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Journal Article |
| Year |
1983 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
A&A |
| Volume |
126 |
Issue |
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Pages |
387-392 |
| Keywords |
astronomical spectroscopy, infrared astronomy, infrared spectrometers, optical heterodyning, infrared telescopes, laser spectrometers, mars (planet), venus (planet) |
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453 |
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