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	Author	Gol’tsman, G.N.
	Title	Overview of recent results for superconducting NbN terahertz and optical detectors and mixers			Type	Miscellaneous
	Year	2014	Publication	SM2 – Seminar on Terahertz Photonics	Abbreviated Journal
	Volume		Issue		Pages	0562
	Keywords	NbN SSPD, SNSPD, HEB
	Abstract	We present our recent achievements in the development of sensitive and ultrafast thin-film superconducting sensors: hot-electron bolometers (HEB), HEB-mixers for terahertz range and infrared single-photon counters. These sensors have already demonstrated a performance that makes them devices-of-choice for many terahertz and optical applications.
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	Language		Summary Language		Original Title
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	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	1746
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	Author	Verevkin, A.; Zhang, J.; Pearlman, A.; Slysz, W.; Sobolewski, Roman; Korneev, A.; Kouminov, P.; Okunev, O.; Chulkova, G.; Gol'tsman, G.
	Title	Ultimate sensitivity of superconducting single-photon detectors in the visible to infrared range			Type	Miscellaneous
	Year	2004	Publication	ResearchGate	Abbreviated Journal	ResearchGate
	Volume		Issue		Pages
	Keywords	NbN SSPD, SNSPD
	Abstract	We present our quantum efficiency (QE) and noise equivalent power (NEP) measurements of the meandertype ultrathin NbN superconducting single-photon detector in the visible to infrared radiation range. The nanostructured devices with 3.5-nm film thickness demonstrate QE up to~ 10% at 1.3–1.55 µm wavelength, and up to 20% in the entire visible range. The detectors are sensitive to infrared radiation with the wavelengths down to~ 10 µm. NEP of about 2× 10-18 W/Hz1/2 was obtained at 1.3 µm wavelength. Such high sensitivity together with GHz-range counting speed, make NbN photon counters very promising for efficient, ultrafast quantum communications and another applications. We discuss the origin of dark counts in our devices and their ultimate sensitivity in terms of the resistive fluctuations in our superconducting nanostructured devices.
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	Notes	Not attributed to any publisher! File name: PR9VervekinSfin_f.doc; Author: JAOLEARY; Last modification date: 2004-02-26			Approved	no
	Call Number				Serial	1751
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	Author	Shcheslavskiy, V.; Morozov, P.; Divochiy, A.; Vakhtomin, Y.; Smirnov, K.; Becker, W.
	Title	Erratum: “Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector” [Rev. Sci. Instrum. 87, 053117 (2016)]			Type	Miscellaneous
	Year	2016	Publication	Rev. Sci. Instrum.	Abbreviated Journal	Rev. Sci. Instrum.
	Volume	87	Issue	6	Pages	069901
	Keywords	SSPD, SNSPD, TCSPC, jitter
	Abstract	In the original paper1the Ref. 10 should be M. Sanzaro, N. Calandri, A. Ruggeri, C. Scarcella, G. Boso, M. Buttafava, and A. Tosi, Proc. SPIE9370, 93701T (2015).
	Address	Becker & Hickl GmbH, Nahmitzer Damm 30, Berlin 12277, Germany
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0034-6748	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:27370512			Approved	no
	Call Number				Serial	1810
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	Author	Семенов, Александр Владимирович
	Title	Проскальзывание фазы, поглощение электромагнитного излучения и формирование отклика в детекторах на основе узких полосок сверхпроводников			Type	Manuscript
	Year	2010	Publication	М. МПГУ	Abbreviated Journal
	Volume		Issue		Pages
	Keywords	SSPD, SNSPD, response
	Abstract
	Address
	Corporate Author				Thesis	Ph.D. thesis
	Publisher		Place of Publication		Editor
	Language	Russian	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	1150
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	Author	Tarkhov, M.; Claudon, J.; Poizat, J. Ph.; Korneev, A.; Divochiy, A.; Minaeva, O.; Seleznev, V.; Kaurova, N.; Voronov, B.; Semenov, A. V.; Gol'tsman, G.
	Title	Ultrafast reset time of superconducting single photon detectors			Type	Journal Article
	Year	2008	Publication	Appl. Phys. Lett.	Abbreviated Journal	Appl. Phys. Lett.
	Volume	92	Issue	24	Pages	241112 (1 to 3)
	Keywords	SSPD, SNSPD
	Abstract
	Address
	Corporate Author				Thesis
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	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0003-6951	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	429
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	Author	Sobolewski, Roman; Xu, Ying; Zheng, Xuemei; Williams, Carlo; Zhang, Jin; Verevkin, Aleksandr; Chulkova, Galina; Korneev, Alexander; Lipatov, Andrey; Okunev, Oleg; Smirnov, Konstantin; Gol'tsman, Gregory N.
	Title	Spectral sensitivity of the NbN single-photon superconducting detector			Type	Journal Article
	Year	2002	Publication	IEICE Trans. Electron.	Abbreviated Journal	IEICE Trans. Electron.
	Volume	E85-C	Issue	3	Pages	797-802
	Keywords	NbN SSPD, SNSPD
	Abstract	We report our studies on the spectral sensitivity of superconducting NbN thin-film single-photon detectors (SPD's) capable of GHz counting rates of visible and near-infrared photons. In particular, it has been shown that a NbN SPD is sensitive to 1.55-µm wavelength radiation and can be used for quantum communication. Our SPD's exhibit experimentally measured intrinsic quantum efficiencies from 20% at 800 nm up to 1% at 1.55-µm wavelength. The devices demonstrate picosecond response time (<100 ps, limited by our readout system) and negligibly low dark counts. Spectral dependencies of photon counting of continuous-wave, 0.4-µm to 3.5-µm radiation, and 0.63-µm, 1.33-µm, and 1.55-µm laser-pulsed radiations are presented for the single-stripe-type and meander-type devices.
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	Language		Summary Language		Original Title
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	Notes				Approved	no
	Call Number				Serial	1531
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	Author	Корнеев, А. А.; Минаева, О.; Рубцова, И.; Милостная, И.; Чулкова, Г.; Воронов, Б.; Смирнов, К.; Селезнёв, В.; Гольцман, Г.; Pearlman, A.; Slysz, W.; Cross, A.; Alvarez, P.; Верёвкин, А.; Sobolewski, R.
	Title	Сверхпроводящий однофотонный детектор на основе ультратонкой пленки NbN			Type	Journal Article
	Year	2005	Publication	Квантовая электроника	Abbreviated Journal
	Volume	35	Issue	8	Pages	698-700
	Keywords	NbN SSPD, SNSPD
	Abstract	Представлены результаты исследований сверхпроводящих однофотонных детекторов, изготовленных из ультратонкой пленки NbN. Развитие технологического процесса изготовления детекторов, а также снижение рабочей температуры до 2 К позволили существенно увеличить квантовую эффективность: для видимого света (λ = 0.56 мкм) она составила 30%–40%, т.е. достигла предела, определяемого коэффициентом поглощения пленки. С ростом длины волны квантовая эффективность экспоненциально падает, составляя ~20% на λ=1.55 мкм и ~0.02% на λ = 5 мкм. При скорости темнового счета ~10-4s-1 экспериментально измеренная эквивалентная мощность шума составила 1.5 × 10-20 Вт/Гц-1/2; в дальнейшем она может быть уменьшена до рекордно низкого значения 5 × 10-21 Вт/Гц-1/2. Временное разрешение детектора равно 30 пс.
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	Language	Russian	Summary Language		Original Title
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	Notes	Duplicated as 383 (Superconducting single-photon ultrathin NbN film detector)			Approved	no
	Call Number				Serial	382
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	Author	Korneev, A.; Minaeva, O.; Rubtsova, I.; Milostnaya, I.; Chulkova, G.; Voronov, B.; Smirnov, K.; Seleznev, V.; Gol'tsman, G.; Pearlman, A.; Slysz, W.; Cross, A.; Alvarez, P.; Verevkin, A.; Sobolewski, R.
	Title	Superconducting single-photon ultrathin NbN film detector			Type	Journal Article
	Year	2005	Publication	Quantum Electronics	Abbreviated Journal
	Volume	35	Issue	8	Pages	698-700
	Keywords	NbN SSPD, SNSPD
	Abstract	Superconducting single-photon ultrathin NbN film detectors are studied. The development of manufacturing technology of detectors and the reduction of their operating temperature down to 2 K resulted in a considerable increase in their quantum efficiency, which reached in the visible region (at 0.56 μm) 30%—40%, i.e., achieved the limit determined by the absorption coefficient of the film. The quantum efficiency exponentially decreases with increasing wavelength, being equal to ~20% at 1.55 μm and ~0.02% at 5 μm. For the dark count rate of ~10-4s-1, the experimental equivalent noise power was 1.5×10-20 W Hz-1/2; it can be decreased in the future down to the record low value of 5×10-21 W Hz-1/2. The time resolution of the detector is 30 ps.
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	Notes	Сверхпроводящий однофотонный детектор на основе ультратонкой пленки NbN			Approved	no
	Call Number				Serial	383
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	Author	Rosfjord, Kristine M.; Yang, Joel K. W.; Dauler, Eric A.; Kerman, Andrew J.; Vikas Anant; Voronov, Boris M.; Gol'tsman, Gregory N.; Berggren, Karl K.
	Title	Nanowire Single-photon detector with an integrated optical cavity and anti-reflection coating			Type	Journal Article
	Year	2006	Publication	Opt. Express	Abbreviated Journal	Opt. Express
	Volume	14	Issue	2	Pages	527-534
	Keywords	SSPD, SNSPD, cavity
	Abstract	We have fabricated and tested superconducting single-photon detectors and demonstrated detection efficiencies of 57% at 1550-nm wavelength and 67% at 1064 nm. In addition to the peak detection efficiency, a median detection efficiency of 47.7% was measured over 132 devices at 1550 nm. These measurements were made at 1.8K, with each device biased to 97.5% of its critical current. The high detection efficiencies resulted from the addition of an optical cavity and anti-reflection coating to a nanowire photodetector, creating an integrated nanoelectrophotonic device with enhanced performance relative to the original device. Here, the testing apparatus and the fabrication process are presented. The detection efficiency of devices before and after the addition of optical elements is also reported.
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	Language		Summary Language		Original Title
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	Series Volume		Series Issue		Edition
	ISSN	1094-4087	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:19503367			Approved	no
	Call Number				Serial	388
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	Author	Sobolewski, R.; Verevkin, A.; Gol'tsman, G.N.; Lipatov, A.; Wilsher, K.
	Title	Ultrafast superconducting single-photon optical detectors and their applications			Type	Journal Article
	Year	2003	Publication	IEEE Trans. Appl. Supercond.	Abbreviated Journal
	Volume	13	Issue	2	Pages	1151-1157
	Keywords	NbN SSPD, SNSPD
	Abstract	We present a new class of ultrafast single-photon detectors for counting both visible and infrared photons. The detection mechanism is based on photon-induced hotspot formation, which forces the supercurrent redistribution and leads to the appearance of a transient resistive barrier across an ultrathin, submicrometer-width, superconducting stripe. The devices were fabricated from 3.5-nm- and 10-nm-thick NbN films, patterned into <200-nm-wide stripes in the 4 /spl times/ 4-/spl mu/m/sup 2/ or 10 /spl times/ 10-/spl mu/m/sup 2/ meander-type geometry, and operated at 4.2 K, well below the NbN critical temperature (T/sub c/=10-11 K). Continuous-wave and pulsed-laser optical sources in the 400-nm-to 3500-nm-wavelength range were used to determine the detector performance in the photon-counting mode. Experimental quantum efficiency was found to exponentially depend on the photon wavelength, and for our best, 3.5-nm-thick, 100-/spl mu/m/sup 2/-area devices varied from >10% for 405-nm radiation to 3.5% for 1550-nm photons. The detector response time and jitter were /spl sim/100 ps and 35 ps, respectively, and were acquisition system limited. The dark counts were below 0.01 per second at optimal biasing. In terms of the counting rate, jitter, and dark counts, the NbN single-photon detectors significantly outperform their semiconductor counterparts. Already-identified applications for our devices range from noncontact testing of semiconductor CMOS VLSI circuits to free-space quantum cryptography and communications.
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1051-8223	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	509
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