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Shelkovnikov, A.; Grain, C.; Nguyen, C. T.; Butcher, R. J.; Amy-Klein, A.; Chardonnet, C. |
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Title |
500-Hz two-photon Ramsey fringes with a SF6 beam: towards a new frequency standard in the 30-THz spectral region |
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Journal Article |
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2001 |
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Applied Physics B: Lasers and Optics |
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Appl. Phys. B: Lasers and Optics |
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73 |
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93-98 |
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THz applications |
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485 |
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Boreman, Glenn D. |
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Title |
A Users guide to IR detectors |
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Conference Article |
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2001 |
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Proc. SPIE |
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Proc. SPIE |
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4420 |
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79-90 |
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optical antennas |
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This paper will guide the first-time user toward proper selection and use of IR detectors for applications in industrial inspection, process control, and laser measurements. |
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RPLAB @ gujma @ |
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735 |
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Siemsen, K. J.; Bernard, J. E.; Madej, A. A.; Marmet, L. |
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Title |
Absolute frequency measurement of a CO2/OsO4 stabilized laser at 28.8 THz |
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Journal Article |
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Year |
2001 |
Publication |
Applied Physics B: Lasers and Optics |
Abbreviated Journal |
Appl. Phys. B: Lasers and Optics |
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Volume |
72 |
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567-573 |
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HgCdTe detector |
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462 |
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Skalare, A.; McGrath, William R.; Echternach, P. M.; Leduc, H. G.; Siddiqi, I.; Verevkin, A.; Prober, D. E. |
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Title |
Aluminum hot-electron bolometer mixers at submillimeter wavelengths |
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Journal Article |
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Year |
2001 |
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IEEE Trans. Appl. Supercond. |
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Volume |
11 |
Issue |
1 |
Pages |
641-644 |
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Al HEB mixer, contacts, interface, in situ, in-situ, Aluminium HEB mixer |
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Abstract |
Diffusion-cooled aluminum hot-electron bolometer (HEB) mixers are of interest for low-noise high resolution THz-frequency spectroscopy within astrophysics. Al HEB mixers offer operation with an order of magnitude less local oscillator power, higher intermediate frequency bandwidth and potentially lower noise than competing devices made from other materials. We report on mixer experiments at 618 GHz with devices fabricated from films with sheet resistances in the range from about 55 Ω down to about 9 Ω per square. Intermediate frequency bandwidths of up to 3 GHz were measured (1 μm long device), with absorbed local oscillator power levels of 0.5 to 6 nW and mixer conversion up to -21.5 dB. High input coupling efficiency implies that the electrons in the device are able to thermalize before escaping from the device. It was found that the long coherence length complicates mixer operations due to the proximity of the contact pads. Also, saturation at the IF frequency may be a concern for this type of device, and warrants further studies. |
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1051-8223 |
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ref919426b |
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1061 |
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Merkel, H. F.; Khosropanah, P.; Sigfrid Yngvesson, K.; Cherednichenko, S.; Kroug, M.; Adam, A.; Kollberg, E. |
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Title |
An active zone small signal model for hot-electron bolometric mixers |
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Conference Article |
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2001 |
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Proc. 12th Int. Symp. Space Terahertz Technol. |
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55 |
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San Diego, CA, USA |
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RPLAB @ s @ losses_in_contacts_merkel |
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320 |
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Hübers, H.-W.; Semenov, A. D.; Richter, H.; Schubert, J.; Hadjiloucas, S.; Bowen, J. W.; Gol'tsman, G.; Voronov, B. M.; Gershenzon, E. M. |
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Title |
Antenna pattern of the quasi-optical hot-electron bolometric mixer at terahertz frequencies |
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Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Pages |
286-296 |
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Keywords |
NbN HEB mixers |
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San Diego, CA, USA |
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323 |
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Author |
Gol'tsman, Gregory; Semenov, Alexei; Smirnov, Konstantin; Voronov, Boris |
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Title |
Background limited quantum superconducting detector for submillimeter wavelengths |
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Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Proc. 12th Int. Symp. Space Terahertz Technol. |
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469-475 |
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Ti SQD, SQUID readout |
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1540 |
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Author |
Murk, A.; Kämpfer, N.; Wylde, R.; Inatani, J.; Manabe, T.; Seta, M. |
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Title |
Characterization of various quasi-optical components for the submillimeter limb-sounder SMILES |
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Conference Article |
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2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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426-435 |
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limb-sounder |
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530 |
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Svechnikov, S. I.; Antipov, S. V.; Vakhtomin, Y. B.; Goltsman, G. N.; Gershenzon, E. M.; Cherednichenko, S. I.; Kroug, M.; Kollberg, E. |
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Title |
Conversion and noise bandwidths of terahertz NbN hot-electron bolometer mixers |
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Journal Article |
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Year |
2001 |
Publication |
Physics of Vibrations |
Abbreviated Journal |
Physics of Vibrations |
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9 |
Issue |
3 |
Pages |
205-210 |
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Keywords |
NbN HEB mixers |
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1069-1227 |
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1551 |
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Van Rudd, J.; Johnson, Jon L.; Mittleman, Daniel M. |
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Cross-polarized angular emission patterns from lens-coupled terahertz antennas |
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2001 |
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J. Opt. Soc. Am. B |
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18 |
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10 |
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1524 |
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0740-3224 |
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475 |
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Shi, S. C.; Chin, C. C.; Wang, M. J.; Shan, W. L.; Zhang, W.; Noguchi, T. |
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Title |
Development of a 600–720 GHz SIS Mixer for the SMART |
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2001 |
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Proc. 12th Int. Symp. Space Terahertz Technol. |
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215 |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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RPLAB @ s @ sis_145K_at_p618THz |
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317 |
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Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M. |
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Title |
Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers |
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Journal Article |
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2001 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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79 |
Issue |
15 |
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2483-2485 |
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0003-6951 |
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311 |
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Gol’tsman, G. N.; Smirnov, K. V. |
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Electron-phonon interaction in a two-dimensional electron gas of semiconductor heterostructures at low temperatures |
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2001 |
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Jetp Lett. |
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Jetp Lett. |
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74 |
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9 |
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474-479 |
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2DEG, AlGaAs/GaAs heterostructures |
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Theoretical and experimental works devoted to studying electron-phonon interaction in the two-dimensional electron gas of semiconductor heterostructures at low temperatures in the case of strong heating in an electric field under quasi-equilibrium conditions and in a quantizing magnetic field perpendicular to the 2D layer are considered. |
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0021-3640 |
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По итогам проектов российского фонда фундаментальных исследований. Проект РФФИ # 98-02-16897 Электрон-фононное взаимодействие в двумерном электронном газе полупроводниковых гетероструктур при низких температурах |
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1541 |
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Gol’tsman, G.; Okunev, O.; Chulkova, G.; Lipatov, A.; Dzardanov, A.; Smirnov, K.; Semenov, A.; Voronov, B.; Williams, C.; Sobolewski, R. |
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Fabrication and properties of an ultrafast NbN hot-electron single-photon detector |
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2001 |
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IEEE Trans. Appl. Supercond. |
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IEEE Trans. Appl. Supercond. |
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11 |
Issue |
1 |
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574-577 |
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NbN SSPD, SNSPD |
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A new type of ultra-high-speed single-photon counter for visible and near-infrared wavebands based on an ultrathin NbN hot-electron photodetector (HEP) has been developed. The detector consists of a very narrow superconducting stripe, biased close to its critical current. An incoming photon absorbed by the stripe produces a resistive hotspot and causes an increase in the film’s supercurrent density above the critical value, leading to temporary formation of a resistive barrier across the device and an easily measurable voltage pulse. Our NbN HEP is an ultrafast (estimated response time is 30 ps; registered time, due to apparatus limitations, is 150 ps), frequency unselective device with very large intrinsic gain and negligible dark counts. We have observed sequences of output pulses, interpreted as single-photon events for very weak laser beams with wavelengths ranging from 0.5 /spl mu/m to 2.1 /spl mu/m and the signal-to-noise ratio of about 30 dB. |
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1558-2515 |
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1547 |
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Kroug, M.; Cherednichenko, S.; Choumas, M.; Merkel, H.; Kollberg, E.; Hübers, H.-W.; Richter, H.; Loudkov, D.; Voronov, B.; Gol'Tsman, G. |
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Title |
HEB quasi-optical heterodyne receiver for THz frequencies |
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Conference Article |
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2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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244-252 |
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HEB mixer, NbN, MgO, conversion gain bandwidth, noise temperature |
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San Diego, CA, USA |
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