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Benford, Dominic; Moseley, Harvey; Zmuidzinas, Jonas |
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Title |
Direct detectors for the Einstein inflation probe |
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2009 |
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J. Phys.: Conf. Ser. |
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J. Phys.: Conf. Ser. |
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155 |
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1 |
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012001 (1 to 49) |
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KID, MKID, CMB |
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Here we review the principles of operation, history, present status, and future prospects for the primary candidate detectors for Cosmic Microwave Background (CMB) polarization studies. The three detector types we will discuss are semiconductor-based bolometers, superconducting transition edge sensor (TES) bolometer, and Microwave Kinetic Inductance Detectors (MKIDs). All of these detector types can provide the sensitivity to permit background-limited measurements of the CMB, but the ultimate selection of detectors will be largely determined by the ease of production and reliability of large arrays of such detectors. This paper describes the present state of development of these detectors, efforts to integrate them into large arrays, and the detector system developments necessary to enable a space CMB polarization mission. |
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Recommended by Klapwijk |
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913 |
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Khosropanah P.; Baryshev A.; Zhang W.; Jellema W.; Hovenier J.N.; Gao G.R.; Klapwijk T.M; Paveliev D.G.; Williams B.S.; Kumar S.; Hu Q.; Reno J.L.; Klein B.; Hesler J.L. |
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Title |
Phase-locking of a 2.7-THz quantum cascade laser to a microwave reference |
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Journal Article |
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2009 |
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Optics Letters |
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34 |
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2958-2960 |
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We demonstrate the phase locking of a 2.7 THz metal–metal waveguide quantum cascade laser (QCL) to an external microwave signal. The reference is the 15th harmonic, generated by a semiconductor superlattice nonlinear device, of a signal at 182 GHz, which itself is generated by a multiplier chain (X12) from a
microwave synthesizer at ~ 15 GHz. Both laser and reference radiations are coupled into a bolometer mixer, resulting in a beat signal, which is fed into a phase-lock loop. The spectral analysis of the beat signal con-firms that the QCL is phase locked. This result opens the possibility to extend heterodyne interferometers into the far-infrared range. |
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RPLAB @ atomics90 @ |
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966 |
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Флоря, И. Н. |
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Title |
Ультрабыстрый однофотонный детектор для оптических применений |
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2009 |
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Науч. сессия МИФИ |
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Науч. сессия МИФИ |
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45-46 |
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SSPD |
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Представлен сверхпроводниковый однофотонный детектор (SSPD) на основе ультратонкой пленки NbN, обладающий рекордным быстродействием. Активный элемент выполнен в виде N сверхпроводящих полосок соединенных параллельно, покрывающих площадку размером 10 мкм х 10 мкм. Для SSPD с N=12 длительность импульса напряжения составляет 200 пс. Полученные результаты открывают путь к детекторам обладающими скоростью счета свыше 1 ГГц, что делает SSPDs весьма привлекательными во многих применениях, в частности для квантовой криптографии. SSPD хорошо согласуется с оптоволокном и легко может быть интегрирован в полностью готовую для работы приемную систему. |
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978-5-7262-1042-1 |
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УДК 533.14(06)+004.056(06) Фотоника и информационная оптика |
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