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Author Gershenzon, E. M.; Gogidze, I. G.; Goltsman, G. N.; Semenov, A. D.; Sergeev, A. V.
Title Picosecond response on optical-range emission in thin YBaCuO films Type Journal Article
Year 1991 Publication Pisma v Zhurnal Tekhnicheskoi Fiziki Abbreviated Journal Pisma v Zhurnal Tekhnicheskoi Fiziki
Volume (up) 17 Issue 22 Pages 6-10
Keywords YBCO HTS detectors
Abstract Целью настоящей работы является целенаправленный поиск пико-секундного отклика на оптическое излучение выяснение оптималь­ных условий его наблюдения, а также сравнение характеристик не­равновесных эффектов в оптическом и субмиллиметровом диапазонах.
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Language Russian Summary Language Original Title
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Call Number Serial 1684
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Author Гершензон, Е. М.; Гольцман, Г. Н.; Елантьев, А. И.; Кагане, М. Л.; Мултановский, В. В.; Птицина, Н. Г.
Title Применение субмиллиметровой ЛОВ спектроскопии для определения химической природы и концентрации примесей в чистых полупроводниках Type Journal Article
Year 1983 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 17 Issue 8 Pages 1430-1437
Keywords BWO spectroscopy, pure semiconductors, residual impurities
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Language Russian Summary Language Original Title
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Notes Duplicated as 1714 Approved no
Call Number Serial 1712
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Author Gershenson, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Kagane, M. L.; Multanovskii, V. V.; Ptitsina, N. G.
Title Use of submillimeter backward-wave tube spectroscopy in determination of the chemical nature and concentration of residual impurities in pure semiconductors Type Journal Article
Year 1983 Publication Sov. Phys. Semicond. Abbreviated Journal Sov. Phys. Semicond.
Volume (up) 17 Issue 8 Pages 908-913
Keywords BWO spectroscopy, pure semiconductors, residual impurities
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Notes Применение субмиллиметровой ЛОВ спектроскопии для определения химической природы и концентрации примесей в чистых полупроводниках Approved no
Call Number Serial 1714
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Author Банная, В. Ф.; Веселова, Л. И.; Гершензон, Е. М.
Title Об одном способе определения концентрации глубоких примесей в германии Type Journal Article
Year 1983 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 17 Issue 10 Pages 1896-1898
Keywords Ge, deep impurities
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Call Number Serial 1762
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Author Гершензон, Е. М.; Литвак-Горская, Л. Б.; Рабинович, Р. И.
Title Отрицательное магнитосопротивление в случае проводимости по верхней зоне Хаббарда Type Journal Article
Year 1983 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 17 Issue 10 Pages 1873-1876
Keywords compensated n-InSb, Hubbard upper zone conductivity, negative magnetoresistance
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Call Number Serial 1763
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Author Гершензон, Е. М.; Мельников, А. П.; Рабинович, Р. И.; Смирнова, В. Б.
Title О возможности создания инверсной функции распределения свободных носителей в полупроводниках при захвате на мелкие нейтральные примеси Type Journal Article
Year 1983 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 17 Issue 3 Pages 499-501
Keywords shallow neutral impurities, capture, inverse distribution function, Si
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Call Number Serial 1764
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Author Гольцман, Г. Н.; Птицина, Н. Г.; Ригер, Е. Р.
Title Оже-рекомбинация свободных носителей на мелких донорах в германии Type Journal Article
Year 1984 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 18 Issue 9 Pages 1684-1686
Keywords Ge, free carrier recombination
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Language Russian Summary Language Original Title
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Notes Approved no
Call Number Serial 1710
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Author Nebosis, R. S.; Heusinger, M. A.; Semenov, A. D.; Lang, P. T.; Schatz, W.; Steinke, R.; Renk, K. F.; Gol'tsman, G. N.; Karasik, B. S.; Gershenzon, E. M.
Title Ultrafast photoresponse of an YBa2Cu3O7-δ film to far-infrared radiation pulses Type Journal Article
Year 1993 Publication Opt. Lett. Abbreviated Journal Opt. Lett.
Volume (up) 18 Issue 2 Pages 96-97
Keywords YBCO HTS detectors
Abstract We report the observation of an ultrafast photoresponse of a high-T(c), film to far-infrared radiation pulses. The response of a sample, consisting of a current-carrying structured YBa(2)Cu(3)O(7-delta) film cooled to liquid-nitrogen temperature, was studied by use of ultrashort laser pulses from an optically pumped far-infrared laser in the frequency range from 0.7 to 7 THz. We found that the response time was limited by the time resolution, 120 ps, of our electronic registration equipment.
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Language English Summary Language Original Title
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ISSN 0146-9592 ISBN Medium
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Notes PMID:19802049 Approved no
Call Number Serial 1660
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Author Gershenzon, E. M.; Gol'tsman, G.; Ptitsina, N. G.
Title Energy spectrum of free excitons in germanium Type Journal Article
Year 1973 Publication JETP Lett. Abbreviated Journal JETP Lett.
Volume (up) 18 Issue 3 Pages 93
Keywords Ge, free excitons, energy spectrum
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Call Number Serial 1734
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Author Гершензон, Е. М.; Семенов, И. Т.; Фогельсон, М. С.
Title О механизме динамического сужения линии ЭПР доноров фосфора в кремнии Type Journal Article
Year 1984 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 18 Issue 3 Pages 421-425
Keywords Si, phosphorus donors, EPR
Abstract Температурная зависимость ширины линии ЭПР доноров Р в Si исследована в интервале концентрации ND=2.5⋅1017−9⋅1017см−3 и температур T=1.7−45 K на образцах с различной степенью компенсации основной примеси. Результаты согласуются с моделью обменного сужения линии при учете температурной зависимости обменного интеграла и тем самым исключают предлагавшийся ранее механизм сужения линии вследствие прыжкового движения электронов по примесным центрам.
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Call Number Serial 1761
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Author Ryabchun, Sergey; Tong, Cheuk-Yu Edward; Blundell, Raymond; Gol'tsman, Gregory
Title Stabilization scheme for hot-electron bolometer receivers using microwave radiation Type Journal Article
Year 2009 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal IEEE Trans. Appl. Supercond.
Volume (up) 19 Issue 1 Pages 14-19
Keywords HEB, mixer, Allan variance, stabilization, radiometer equation
Abstract We present the results of a stabilization scheme for terahertz receivers based on NbN hot-electron bolometer (HEB) mixers that uses microwave radiation with a frequency much lower than the gap frequency of NbN to compensate for mixer current fluctuations. A feedback control loop, which actively controls the power level of the injected microwave radiation, has successfully been implemented to stabilize the operating point of the HEB mixer. This allows us to increase the receiver Allan time to 10 s and also improve the temperature resolution of the receiver by about 30% in the total power mode of operation.
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ISSN 1051-8223 ISBN Medium
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Notes Approved no
Call Number RPLAB @ lobanovyury @ Serial 559
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Author Ryabchun, Sergey; Tong, Cheuk-Yu Edward; Paine, Scott; Lobanov, Yury; Blundell, Raymond; Goltsman, Gregory
Title Temperature resolution of an HEB receiver at 810 GHz Type Journal Article
Year 2009 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal IEEE Trans. Appl. Supercond.
Volume (up) 19 Issue 3 Pages 293-296
Keywords HEB mixer
Abstract We present the results of direct measurements of the temperature resolution of an HEB receiver operating at 810 GHz, in both continuum and spectroscopic modes. In the continuum mode, the input of the receiver was switched between black bodies with different physical temperatures. With a system noise temperature of around 1100 K, the receiver was able to resolve loads which differed in temperature by about 1 K over an integration time of 5 seconds. This resolution is significantly worse than the value of 0.07 K given by the radiometer equation. In the spectroscopic mode, a gas cell filled with carbonyl sulphide (OCS) gas was used and the emission line at 813.3537060 GHz was measured using the receiver in conjunction with a digital spectrometer. From the observed spectra, we determined that the measurement uncertainty of the equivalent emission temperature was 2.8 K for an integration time of 0.25 seconds and a spectral resolution of 12 MHz, compared to a 1.4 K temperature resolution given by the radiometer equation. This relative improvement is due to the fact that at short integration times the contribution from 1/f noise and drift are less dominant. In both modes, the temperature resolution was improved by about 40% with the use of a feedback loop which adjusted the level of an injected microwave radiation to maintain a constant operating current of the HEB mixer. This stabilization scheme has proved to be very effective to keep the temperature resolution of the HEB receiver to close to the theoretical value given by the radiometer equation.
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Notes Approved no
Call Number Serial 636
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Author Yang, Z. Q.; Hajenius, M.; Baselmans, J. J. A.; Gao, J. R.; Voronov, B.; Gol’tsman, G. N.
Title Reduced noise in NbN hot-electron bolometer mixers by annealing Type Journal Article
Year 2006 Publication Supercond. Sci. Technol. Abbreviated Journal Supercond. Sci. Technol.
Volume (up) 19 Issue 4 Pages L (9 to 12)
Keywords NbN HEB mixers
Abstract We find that the sensitivity of heterodyne receivers based on superconducting hot-electron bolometers (HEBs) increases by 25–30% after annealing at 85 °C in vacuum. The devices studied are twin-slot antenna coupled mixers with a small NbN bridge of 1 × 0.15 µm2. We show that annealing changes the device properties as reflected in sharper resistive transitions of the complete device, apparently reducing the device-related noise. The lowest receiver noise temperature of 700 K is measured at a local oscillator frequency of 1.63 THz and a bath temperature of 4.3 K.
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ISSN 0953-2048 ISBN Medium
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Notes Approved no
Call Number Serial 1456
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Author Somani, S.; Kasapi, S.; Wilsher, K.; Lo, W.; Sobolewski, R.; Gol’tsman, G.
Title New photon detector for device analysis: Superconducting single-photon detector based on a hot electron effect Type Journal Article
Year 2001 Publication J. Vac. Sci. Technol. B Abbreviated Journal J. Vac. Sci. Technol. B
Volume (up) 19 Issue 6 Pages 2766-2769
Keywords NbN SSPD, SNSPD
Abstract A novel superconducting single-photon detector (SSPD), intrinsically capable of high quantum efficiency (up to 20%) over a wide spectral range (ultraviolet to infrared), with low dark counts (<1 cps), and fast (<40 ps) timing resolution, is described. This SSPD has been used to perform timing measurements on complementary metal–oxide–semiconductor integrated circuits (ICs) by detecting the infrared light emission from switching transistors. Measurements performed from the backside of a 0.13 μm geometry flip–chip IC are presented. Other potential applications for this detector are in telecommunications, quantum cryptography, biofluorescence, and chemical kinetics.
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ISSN 0734211X ISBN Medium
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Notes Approved no
Call Number Serial 1542
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Author Гершензон, Е. М.; Семенов, И. Т.; Фогельсон, М. С.
Title Спин-решеточная релаксация доноров фосфора в кремнии при одноосной деформации образца Type Journal Article
Year 1985 Publication Физика и техника полупроводников Abbreviated Journal Физика и техника полупроводников
Volume (up) 19 Issue 9 Pages 1696-1698
Keywords uniaxial pressure, Ge, phosphorus donors, spin-lattice relaxation
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Notes Approved no
Call Number Serial 1760
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