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Korneev, A. A.; Divochiy, A. V.; Vakhtomin, Yu. B.; Korneeva, Yu. P.; Larionov, P. A.; Manova, N. N.; Florya, I. N.; Trifonov, A. V.; Voronov, B. M.; Smirnov, K. V.; Semenov, A. V.; Chulkova, G. M.; Goltsman, G. N. |
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Title |
IR single-photon receiver based on ultrathin NbN superconducting film |
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2013 |
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Rus. J. Radio Electron. |
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Rus. J. Radio Electron. |
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5 |
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SSPD, SNSPD |
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We present our recent results in research and development of superconducting single-photon detector (SSPD). We achieved the following performance improvement: first, we developed and characterized SSPD integrated in optical cavity and enabling its illumination from the face side, not through the substrate, second, we improved the quantum efficiency of the SSPD at around 3 μm wavelength by reduction of the strip width to 40 nm, and, finally, we improved the detection efficiency of the SSPD-based single-photon receiver system up to 20% at 1550 nm and extended its wavelength range beyond 1800 nm by the usage of the fluoride ZBLAN fibres. |
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Russian |
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8 pages |
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RPLAB @ sasha @ korneevir |
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1043 |
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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. |
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Title |
Superconducting single-photon detector made of MoSi film |
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Journal Article |
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2014 |
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Supercond. Sci. Technol. |
Abbreviated Journal |
Supercond. Sci. Technol. |
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27 |
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9 |
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095012 |
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SSPD, SNSPD |
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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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0953-2048 |
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RPLAB @ sasha @ korneeva2014superconducting |
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1044 |
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Sidorova, Maria V.; Divochiy, Alexander V.; Vakhtomin, Yury B.; Smirnov, Konstantin V. |
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Ultrafast superconducting single-photon detector with a reduced active area coupled to a tapered lensed single-mode fiber |
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2015 |
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J. Nanophoton. |
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9 |
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1 |
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093051 |
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SSPD, SNSPD |
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This paper presents an ultrafast niobium nitride (NbN) superconducting single-photon detector (SSPD) with an active area of 3×3 μm2 that offers better timing performance metrics than the previous SSPD with an active area of 7×7 μm2. The improved SSPD demonstrates a record timing jitter (<25 ps), an ultrashort recovery time (<2 ns), an extremely low dark count rate, and a high detection efficiency in a wide spectral range from visible part to near infrared. The record parameters were obtained due to the development of a new technique providing effective optical coupling between a detector with a reduced active area and a standard single-mode telecommunication fiber. The advantages of the new approach are experimentally confirmed by taking electro-optical measurements. |
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1934-2608 |
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10.1117/1.JNP.9.093051 |
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RPLAB @ sasha @ |
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1052 |
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Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. |
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Концепция приёмного комплекса космического радиотелескопа «Миллиметрон» |
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2007 |
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Известия высших учебных заведений. Радиофизика |
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50 |
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10-11 |
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924-934 |
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russian |
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RPLAB @ s @ mix_review_2007_rus |
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410 |
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Gershenson, M. E.; Gong, D.; Sato, T.; Karasik, B. S.; Sergeev, A. V. |
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Millisecond electron-phonon relaxation in ultrathin disordered metal films at millikelvin temperatures |
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2001 |
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Appl. Phys. Lett. |
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79 |
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2049-2051 |
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HEB detector, FIR, far infrared |
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RPLAB @ s @ heb_eph_interaction_Gershenzon |
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315 |
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