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Author Ito, Hiroshi openurl 
  Title High frequency photodiode work in Japan Type Manuscript
  Year 2002 Publication Report at NTT photonics laboratories Abbreviated Journal  
  Volume Issue Pages (down) 1-4  
  Keywords THz, terahertz communications, photodiode  
  Abstract The recent progress in the device performance of the uni-traveling-carrier photodiode (UTC-PD) is described. The UTC-PD utilizes only electrons as the active carriers, and this unique feature is the key to achieving excellent high-speed and high-output characteristics simultaneously. The achieved performance includes a record 3-dB bandwidth of 310 GHz, high-power photonic millimeter-wave generation with an output power of over +13 dBm at 100 GHz, high-output-voltage photoreceiver operation at bit rates of up to 80 Gbit/s, and demultiplexing operation at 200 Gbit/s using a monolithic PD-EAM optical gate.  
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  Notes Approved no  
  Call Number Serial 596  
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Author Maslennikov, S.; Antipov, S.; Shishkov, A.; Svechnikov, S.; Voronov, B.; Smirnov, K.; Kaurova, N.; Drakinski, V.; Gol'tsman, G. openurl 
  Title NbN HEB mixer noise temperature measurements with hot/cold load mounted inside the helium cryostat at 300 GHz Type Conference Article
  Year 2002 Publication Proc. Int. Student Seminar on Microwave Appl. of Novel Physical Phenomena supported by IEEE Abbreviated Journal  
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  Corporate Author Thesis  
  Publisher LETI Place of Publication St.-Petersburg Editor  
  Language Summary Language Original Title  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 324  
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Author Shytov, A. V.; Levitov, L. S.; Beenakker, C. W. J. url  doi
openurl 
  Title Electromechanical noise in a diffusive conductor Type Journal Article
  Year 2002 Publication Phys. Rev. Lett. Abbreviated Journal Phys. Rev. Lett.  
  Volume 88 Issue 22 Pages (down)  
  Keywords  
  Abstract Electrons moving in a conductor can transfer momentum to the lattice via collisions with impurities and boundaries, giving rise to a fluctuating mechanical stress tensor. The root-mean-squared momentum transfer per scattering event in a disordered metal (of dimension L greater than the mean free path l and screening length xi) is found to be reduced below the Fermi momentum by a factor of order l/L for shear fluctuations and (xi/L)^2 for pressure fluctuations. The excitation of an elastic bending mode by the shear fluctuations is estimated to fall within current experimental sensitivity for a nanomechanical oscillator.  
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  ISSN 0031-9007 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ Serial 433  
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Author Ediss, G. A.; Koller, D. url  openurl
  Title 68.5 to 118 GHz measurements of possible infrared filter materials: black polyethylene, Zitex, and grooved and un-grooved fluorogold and HDPE Type Miscellaneous
  Year 2002 Publication ALMA Memo Abbreviated Journal  
  Volume Issue 412 Pages (down)  
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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 446  
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Author Benford, Dominic J.; Moseley, S. Harvey; Chervenak, Jay A. openurl 
  Title Mission requirements for ultralow-background, large format bolometer arrays Type Conference Article
  Year 2002 Publication Proc. Far-Infrared Submillimeter, & Millimeter Detector Workshop Abbreviated Journal  
  Volume Issue Pages (down)  
  Keywords applicationsns  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Monterey, California Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 490  
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Author Betzler, Klaus; Physik, Fachbereich openurl 
  Title Fabry-Perot Interferometer Type Manuscript
  Year 2002 Publication Universität Osnabrück Abbreviated Journal  
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  Notes Approved no  
  Call Number Serial 497  
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Author Amzajerdian, Farzin openurl 
  Title Analysis of optimum heterodyne receivers for coherent lidar applications Type Miscellaneous
  Year 2002 Publication Abbreviated Journal  
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  Notes Approved no  
  Call Number Serial 505  
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Author Hübers, Heinz-Wilhelm; Semenov, A.; Richter, H.; Smirnov, K.; Gol'tsman, G.; Voronov, B. url  openurl
  Title Phonon cooled far-infrared hot electron bolometer mixer Type Abstract
  Year 2002 Publication NASA/ADS Abbreviated Journal NASA/ADS  
  Volume Issue Pages (down)  
  Keywords NbN HEB mixers  
  Abstract Heterodyne receivers for applications in astronomy need quantum-limited sensitivity. At frequencies above 1.4 THz superconducting hot electron bolometers (HEB) can be used to achieve this goal. We present results of the development of a quasi-optical phonon-cooled NbN HEB mixer for GREAT, the German heterodyne receiver for SOFIA. Different mixers with logarithmic spiral and double slot feed antennas have been investigated with respect to their noise temperature, conversion loss, linearity and beam pattern at several frequencies between 0.7 THz and 5.2 THz. At 2.5 THz a double sideband noise temperature of 2200 K was achieved. The conversion loss was 16 dB. The response of the mixer was linear up to 400 K load temperature. This performance was verified by measuring an emission line of methanol at 2.5 THz. The results demonstrate that the NbN HEB is very well suited as a mixer for FIR heterodyne receivers.  
  Address Monterey, CA  
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  Area Expedition Conference Far-IR, Sub-mm & MM Detector Technology Workshop, 1-3 April 2002  
  Notes id.37 Approved no  
  Call Number Serial 1534  
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Author Okunev, O.; Smirnov, K.; Chulkova, G.; Korneev, A.; Lipatov, A.; Gol'tsman, G.; Zhang, J.; Slysz, W.; Verevkin, A.; Sobolewski, Roman url  openurl
  Title Ultrafast NBN hot-electron single-photon detectors for electronic applications Type Abstract
  Year 2002 Publication Abstracts 8-th IUMRS-ICEM Abbreviated Journal Abstracts 8-th IUMRS-ICEM  
  Volume Issue Pages (down)  
  Keywords NbN SSPD, SNSPD  
  Abstract We present a new, simple to manufacture, single-photon detector (SPD), which can work from ultraviolet to near-infrared wavelengths of optical radiation and combines high speed of operation, high quantum efficiency (QE), and very low dark counts. The devices are superconducting and operate at temperature below 5 K. The physics of operation of our SPD is based on formation of a photon-induced resistive hotspot and subsequent appearance of a transient resistive barrier across an ultrathin and submicron-wide superconductor.  
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  Area Expedition Conference 8th IUMRS International Conference on Electronic Materials  
  Notes Approved no  
  Call Number Serial 1532  
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Author Semenov, Alexei; Hübers, Heinz-Wilhelm; Engel, Andreas; Gol'tsman, Gregory N. url  openurl
  Title Background limited superconducting quantum detector for astronomy Type Abstract
  Year 2002 Publication NASA/ADS Abbreviated Journal NASA/ADS  
  Volume Issue Pages (down)  
  Keywords SQD  
  Abstract We present the concept of the superconducting quantum detector for astronomy. Response to a single absorbed photon appears due to successive formation of a normal spot and phase-slip-centers in a narrow strip carrying sub-critical supercurrent. The detector simultaneously has a moderate energy resolution and a variable cut-off wavelength depending on both the material used and operation conditions. We simulated performance of the background-limited direct detector having the 100- micrometer cut-off wavelength. Low dark count rate will allow to realize 10-21 W Hz-1/2 noise equivalent power at 4 K background radiation. The intrinsic recovery time of the counter is rather determined by diffusion of nonequilibrium electrons, thus, thermal fluctuations do not hamper energy resolution of the detector. Provided an appropriate readout technique, the resolution should be better than 1/20 at 50- micrometer wavelength. Planar layout and relatively simple technology favor integration of the detector into an array.  
  Address Monterey, CA  
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  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference Far-IR, Sub-mm & MM Detector Technology Workshop, held 1-3 April 2002  
  Notes id.62 Approved no  
  Call Number Serial 1535  
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