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Author Loudkov, D.; Tong, C. Y. E.; Blundell, R.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. openurl 
  Title An investigation of the performance of the superconducting HEB슠mixer as a function of its RF슠embedding impedance Type Journal Article
  Year 2005 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 15 Issue 2 Pages 472-475  
  Keywords HEB mixer  
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  Publisher IEEE Place of Publication Editor  
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  Notes Approved no  
  Call Number Serial 371  
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Author Torgashin, M. Yu.; Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Yagoubov, P. A. openurl 
  Title Superconducting integrated receivers based on Nb-AlN-NbN circuits Type Journal Article
  Year 2007 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 17 Issue 2 Pages 379-382  
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  Notes Approved no  
  Call Number RPLAB @ s @ mix_SIR_ieee_trans_2007 Serial 406  
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Author Hans Ekstrom; Karasik, Boris S.; Kollberg, Erik L.; Sigfrid Yngvesson openurl 
  Title Conversion gain and noise of niobium superconducting hot–electron–mixers Type Journal Article
  Year 1995 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 43 Issue 4 Pages 938-947  
  Keywords Nb HEB mixers  
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  Notes Approved no  
  Call Number Serial 254  
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Author Sobolewski, R.; Verevkin, A.; Gol'tsman, G.N.; Lipatov, A.; Wilsher, K. url  doi
openurl 
  Title Ultrafast superconducting single-photon optical detectors and their applications Type Journal Article
  Year 2003 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 13 Issue 2 Pages 1151-1157  
  Keywords NbN SSPD, SNSPD  
  Abstract We present a new class of ultrafast single-photon detectors for counting both visible and infrared photons. The detection mechanism is based on photon-induced hotspot formation, which forces the supercurrent redistribution and leads to the appearance of a transient resistive barrier across an ultrathin, submicrometer-width, superconducting stripe. The devices were fabricated from 3.5-nm- and 10-nm-thick NbN films, patterned into <200-nm-wide stripes in the 4 /spl times/ 4-/spl mu/m/sup 2/ or 10 /spl times/ 10-/spl mu/m/sup 2/ meander-type geometry, and operated at 4.2 K, well below the NbN critical temperature (T/sub c/=10-11 K). Continuous-wave and pulsed-laser optical sources in the 400-nm-to 3500-nm-wavelength range were used to determine the detector performance in the photon-counting mode. Experimental quantum efficiency was found to exponentially depend on the photon wavelength, and for our best, 3.5-nm-thick, 100-/spl mu/m/sup 2/-area devices varied from >10% for 405-nm radiation to 3.5% for 1550-nm photons. The detector response time and jitter were /spl sim/100 ps and 35 ps, respectively, and were acquisition system limited. The dark counts were below 0.01 per second at optimal biasing. In terms of the counting rate, jitter, and dark counts, the NbN single-photon detectors significantly outperform their semiconductor counterparts. Already-identified applications for our devices range from noncontact testing of semiconductor CMOS VLSI circuits to free-space quantum cryptography and communications.  
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  ISSN 1051-8223 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 509  
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Author Karpov, A.; Blondel, J.; Voss, M.; Gundlach, K. H. openurl 
  Title A three photon noise SIS heterodyne receiver at submillimeter wavelength Type Journal Article
  Year 1999 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 9 Issue 2 Pages 4456-4459  
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  Notes Approved no  
  Call Number RPLAB @ s @ sis_Karpov_1999 Serial 300  
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Author Shitov, S. V.; Levitchev, M.; Veretennikov, A. V.; Koshelets, V. P.; Prokopenko, G. V.; Filippenko, L. V.; Ermakov, A. B.; Shtanyuk, A. M.; Kohlstedt, H.; Ustinov, A. V. openurl 
  Title Superconducting integrated receiver as 400-600 GHz tester for coolable devices Type Journal Article
  Year 2001 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 11 Issue 1 Pages 832-835  
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  Call Number RPLAB @ s @ sis_Shitov_2001 Serial 313  
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Author Semenov, A. D.; Hübers, Heinz-Wilhelm; Richter, H.; Birk, M.; Krocka, M.; Mair, U.; Vachtomin, Yu. B.; Finkel, M. I.; Antipov, S. V.; Voronov, B. M.; Smirnov, K. V.; Kaurova, N. S.; Drakinski, V. N.; Gol'tsman, G. N. doi  openurl
  Title Superconducting hot-electron bolometer mixer for terahertz heterodyne receivers Type Journal Article
  Year 2003 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 13 Issue 2 Pages 168-171  
  Keywords NbN HEB mixers  
  Abstract We present recent results showing the development of superconducting NbN hot-electron bolometer mixer for German receiver for astronomy at terahertz frequencies and terahertz limb sounder. The mixer is incorporated into a planar feed antenna, which has either logarithmic spiral or double-slot configuration, and backed on a silicon lens. The hybrid antenna had almost frequency independent and symmetric radiation pattern slightly broader than expected for a diffraction limited antenna. At 2.5 THz the best 2200 K double side-band receiver noise temperature was achieved across a 1 GHz intermediate frequency bandwidth centred at 1.5 GHz. For this operation regime, a receiver conversion efficiency of -17 dB was directly measured and the loss budget was evaluated. The mixer response was linear at load temperatures smaller than 400 K. Implementation of the MgO buffer layer on Si resulted in an increased 5.2 GHz gain bandwidth. The receiver was tested in the laboratory environment by measuring a methanol emission line at 2.5 THz.  
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  Notes Approved no  
  Call Number Serial 343  
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Author Datesman, A.M.; Schultz, J.C.; Lichtenberger, A.W.; Golish, D.; Walker, C.K.; Kooi, J. url  doi
openurl 
  Title Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes Type Journal Article
  Year 2005 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 15 Issue 2 Pages 928-931  
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  ISSN 1051-8223 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 439  
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Author Koshelets, V.P.; Dmitriev, P.N.; Ermakov, A.B.; Sobolev, A.S.; Torgashin, M.Y.; Kurin, V.V.; Pankratov, A.L.; Mygind, J. url  doi
openurl 
  Title Optimization of the phase-locked flux-flow oscillator for the submm integrated receiver Type Journal Article
  Year 2005 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 15 Issue 2 Pages 964-967  
  Keywords SIR  
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  ISSN 1051-8223 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 515  
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Author Koshelets, V. P.; Shitov, S. V.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Khudchenko, A. V.; Torgashin, M. Yu.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Pylypenko, O. M. url  doi
openurl 
  Title Superconducting integrated receiver for TELIS Type Journal Article
  Year 2005 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal (up)  
  Volume 15 Issue 2 Pages 960-963  
  Keywords SIR  
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  Series Volume Series Issue Edition  
  ISSN 1051-8223 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 517  
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