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Gershenson, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Kagane, M. L.; Multanovskii, V. V.; Ptitsina, N. G. |
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Title |
Use of submillimeter backward-wave tube spectroscopy in determination of the chemical nature and concentration of residual impurities in pure semiconductors |
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1983 |
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Sov. Phys. Semicond. |
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Sov. Phys. Semicond. |
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17 |
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8 |
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908-913 |
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BWO spectroscopy, pure semiconductors, residual impurities |
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Применение субмиллиметровой ЛОВ спектроскопии для определения химической природы и концентрации примесей в чистых полупроводниках |
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1714 |
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Банная, В. Ф.; Веселова, Л. И.; Гершензон, Е. М. |
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Title |
Об одном способе определения концентрации глубоких примесей в германии |
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1983 |
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Физика и техника полупроводников |
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Физика и техника полупроводников |
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17 |
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10 |
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1896-1898 |
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Ge, deep impurities |
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1762 |
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Гершензон, Е. М.; Литвак-Горская, Л. Б.; Рабинович, Р. И. |
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Отрицательное магнитосопротивление в случае проводимости по верхней зоне Хаббарда |
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1983 |
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Физика и техника полупроводников |
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Физика и техника полупроводников |
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17 |
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10 |
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1873-1876 |
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compensated n-InSb, Hubbard upper zone conductivity, negative magnetoresistance |
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1763 |
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Гершензон, Е. М.; Мельников, А. П.; Рабинович, Р. И.; Смирнова, В. Б. |
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О возможности создания инверсной функции распределения свободных носителей в полупроводниках при захвате на мелкие нейтральные примеси |
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1983 |
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Физика и техника полупроводников |
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Физика и техника полупроводников |
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17 |
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3 |
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499-501 |
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shallow neutral impurities, capture, inverse distribution function, Si |
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1764 |
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Vetter, A.; Ferrari, S.; Rath, P.; Alaee, R.; Kahl, O.; Kovalyuk, V.; Diewald, S.; Goltsman, G. N.; Korneev, A.; Rockstuhl, C.; Pernice, W. H. P. |
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Cavity-enhanced and ultrafast superconducting single-photon detectors |
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2016 |
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Nano Lett. |
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Nano Lett. |
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16 |
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11 |
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7085-7092 |
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SSPD; SNSPD; multiphoton detection; nanophotonic circuit; photonic crystal cavity |
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Abstract |
Ultrafast single-photon detectors with high efficiency are of utmost importance for many applications in the context of integrated quantum photonic circuits. Detectors based on superconductor nanowires attached to optical waveguides are particularly appealing for this purpose. However, their speed is limited because the required high absorption efficiency necessitates long nanowires deposited on top of the waveguide. This enhances the kinetic inductance and makes the detectors slow. Here, we solve this problem by aligning the nanowire, contrary to usual choice, perpendicular to the waveguide to realize devices with a length below 1 mum. By integrating the nanowire into a photonic crystal cavity, we recover high absorption efficiency, thus enhancing the detection efficiency by more than an order of magnitude. Our cavity enhanced superconducting nanowire detectors are fully embedded in silicon nanophotonic circuits and efficiently detect single photons at telecom wavelengths. The detectors possess subnanosecond decay ( approximately 120 ps) and recovery times ( approximately 510 ps) and thus show potential for GHz count rates at low timing jitter ( approximately 32 ps). The small absorption volume allows efficient threshold multiphoton detection. |
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Institute of Physics, University of Munster , 48149 Munster, Germany |
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English |
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1530-6984 |
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PMID:27759401 |
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1208 |
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