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Author Siddiqi, I.; Prober, D. E. url  doi
openurl 
  Title (down) Nb–Au bilayer hot-electron bolometers for low-noise THz heterodyne detection Type Journal Article
  Year 2004 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 84 Issue 8 Pages 1404  
  Keywords HEB, mixers, dynamic range, saturation, LO power, local oscillator power, Nb  
  Abstract The sensitivity of present Nb diffusion-cooled hot-electron bolometer (HEB) mixers is not quantum limited, and can be improved by reducing the superconducting transition temperature TC. Lowering TC reduces thermal fluctuations, resulting in a decrease of the mixer noise temperature TM. However, lower TC mixers have reduced dynamic range and saturate more easily due to background noise. We present 30 GHz microwave measurements on a bilayer HEB system, Nb–Au, in which TC can be tuned with Au layer thickness to obtain the maximum sensitivity for a given noise background. These measurements are intended as a guide for the optimization of THz mixers. Using a Nb–Au mixer with TC = 1.6 K, we obtain TM = 50 K with 2 nW of local oscillator (LO) power. Good mixer performance is observed over a wide range of LO power and bias voltage and such a device should not exhibit saturation in a THz receiver.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-6951 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 571  
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Author Slysz, W.; Wegrzecki, M.; Bar, J.; Grabiec, P.; Gol'tsman, G. N.; Verevkin, M.; Sobolewski, R. url  openurl
  Title (down) NbN superconducting single-photon detectors coupled with a communication fiber Type Miscellaneous
  Year 2004 Publication INIS Abbreviated Journal INIS  
  Volume 37 Issue 2 Pages 1-2  
  Keywords NbN SSPD, SNSPD  
  Abstract  
  Address Stare Jablonki, Poland  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference 8-th Electron Technology Conference ELTE  
  Notes Approved no  
  Call Number Serial 1486  
Permanent link to this record
 
 
Author Gao, J. R.; Hajenius, M.; Baselmans, J. J. A.; Klapwijk, T. M.; de Korte, P. A. J.; Voronov, B.; Gol'tsman, G. url  openurl
  Title (down) NbN hot electron bolometer mixers with superior performance for space applications Type Conference Article
  Year 2004 Publication Proc. Int. workshop on low temp. electronics Abbreviated Journal Proc. Int. workshop on low temp. electronics  
  Volume Issue Pages 11-17  
  Keywords NbN HEB mixers, applications  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Noordwijk Editor Armandillo, E.; Leone, B.  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference International workshop on low temperature electronics- WOLTE 6 - Noordwijk  
  Notes Approved no  
  Call Number Serial 1496  
Permanent link to this record
 
 
Author Maslennikov, S.; Vachtomin, Yu.; Antipov, S.; Smirnov, K.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. openurl 
  Title (down) NbN HEB mixers for frequencies of 2.5 and 3.8 THz Type Conference Article
  Year 2004 Publication Proc. Tenth All-Russian sceintific conference of student-physicists and young sceintists (VNKSF-10) Abbreviated Journal  
  Volume Issue Pages  
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  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Moscow Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ qoheb_vnksf10_2004 Serial 349  
Permanent link to this record
 
 
Author Goltsman, G.; Korneev, A.; Izbenko, V.; Smirnov, K.; Kouminov, P.; Voronov, B.; Kaurova, N.; Verevkin, A.; Zhang, J.; Pearlman, A.; Slysz, W.; Sobolewski, R. url  doi
openurl 
  Title (down) Nano-structured superconducting single-photon detectors Type Journal Article
  Year 2004 Publication Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Abbreviated Journal  
  Volume 520 Issue 1-3 Pages 527-529  
  Keywords NbN SSPD, SNSPD  
  Abstract NbN detectors, formed into meander-type, 10×10-μm2 area structures, based on ultrathin (down to 3.5-nm thickness) and nanometer-width (down to below 100 nm) NbN films are capable of efficiently detecting and counting single photons from the ultraviolet to near-infrared optical wavelength range. Our best devices exhibit QE >15% in the visible range and ∼10% in the 1.3–1.5-μm infrared telecommunication window. The noise equivalent power (NEP) ranges from ∼10−17 W/Hz1/2 at 1.5 μm radiation to ∼10−19 W/Hz1/2 at 0.56 μm, and the dark counts are over two orders of magnitude lower than in any semiconducting competitors. The intrinsic response time is estimated to be <30 ps. Such ultrafast detector response enables a very high, GHz-rate real-time counting of single photons. Already established applications of NbN photon counters are non-invasive testing and debugging of VLSI Si CMOS circuits and quantum communications.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0168-9002 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1495  
Permanent link to this record
 
 
Author Moore, D.P.; Remedios, J. J.; Waterfall, A. M.; Burgess, A. url  openurl
  Title (down) Measuring halocarbons from the MIPAS instrument Type Miscellaneous
  Year 2004 Publication Abbreviated Journal  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Poster Approved no  
  Call Number RPLAB @ s @ Serial 441  
Permanent link to this record
 
 
Author Alexandre Karpov; David Miller; Rice, Frank R.; Stern, Jeffrey A.; Bruce Bumble; LeDuc, Henry G.; Jonas Zmuidzinas openurl 
  Title (down) Low-noise SIS mixer for far-infrared radio astronomy Type Conference Article
  Year 2004 Publication Proc. SPIE Abbreviated Journal  
  Volume 5498 Issue Pages 616-621  
  Keywords  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Glasgow, Scotland, UK Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ nt_SIS_550at1p2THz Serial 353  
Permanent link to this record
 
 
Author Hajenius, M.; Baselmans, J. J. A.; Gao, J. R.; Klapwijk, T. M.; de Korte, P. A. J.; Voronov, B.; Gol'tsman, G. url  doi
openurl 
  Title (down) Low noise NbN superconducting hot electron bolometer mixers at 1.9 and 2.5 THz Type Journal Article
  Year 2004 Publication Supercond. Sci. Technol. Abbreviated Journal Supercond. Sci. Technol.  
  Volume 17 Issue 5 Pages S224-S228  
  Keywords NbN HEB mixers  
  Abstract NbN phonon-cooled hot electron bolometer mixers (HEBs) have been realized with negligible contact resistance between the bolometer itself and the contact structure. Using a combination of in situ cleaning of the NbN film and the use of an additional superconducting interlayer of a 10 nm NbTiN layer between the Au of the contact structure and the NbN film superior noise temperatures have been obtained as low as 950 K at 2.5 THz and 750 K at 1.9 THz. Here we address in detail the DC characterization of these devices, the interface transparencies between the bolometers and the contacts and the consequences of these factors on the mixer performance.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0953-2048 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 558  
Permanent link to this record
 
 
Author Koshelets, V. P. openurl 
  Title (down) Integrated superconducting submm receivers Type Miscellaneous
  Year 2004 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords SIR  
  Abstract  
  Address  
  Corporate Author Thesis  
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  Series Editor Series Title Abbreviated Series Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Presentation Approved no  
  Call Number Serial 511  
Permanent link to this record
 
 
Author Koshelets, V. P.; Shitov, S. V.; Dmitriev, P. N., Ermakov, A. B.; Filippenko, L. V.; Koryukin, O.V.; Sobolev, A.S.; Torgashin, M.Yu.; Yagoubov, P.; Hoogeveen, R. openurl 
  Title (down) Integrated submillimeter and terahertz receivers with superconducting local oscillator Type Abstract
  Year 2004 Publication Presanted at 8th International Workshop “From Andreev Reflection to the International Space Station” Abbreviated Journal  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 513  
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