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Author Svechnikov, S. I.; Finkel, M. I.; Maslennikov, S. N.; Vachtomin, Y. B.; Smirnov, K. V.; Seleznev, V. A.; Korotetskaya, Y. P.; Kaurova, N. S.; Voronov, B. M.; Gol’tsman, G. N. url  doi
openurl 
  Title Superconducting hot electron bolometer mixer for middle IR range Type Conference Article
  Year 2006 Publication Proc. 16th Int. Crimean Microwave and Telecommunication Technology Abbreviated Journal Proc. 16th Int. Crimean Microwave and Telecommunication Technology  
  Volume 2 Issue Pages 686-687  
  Keywords IR NbN HEB mixer, detector, GaAs substrate  
  Abstract The developed directly lens coupled hot electron bolometer (HEB) mixer was based on 5 nm superconducting NbN deposited on GaAs substrate. The layout of the structure, including 30x20 mcm^2 active area coupled with a 50 Ohm coplanar line, was patterned by photolithography. The responsivity of the mixer was measured in a direct detection mode in the 25-64 THz frequency range. The noise performance of the mixer and the directivity of the receiver were investigated in a heterodyne mode. A 10.6 mum wavelength CW CO2 laser was utilized as a local oscillator.  
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  Call Number (up) 4023440 Serial 1297  
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Author Stevens, M.; Hadfield, R.; Schwall, R.; Nam, S.W.; Mirin, R.; Gupta, J. doi  openurl
  Title Fast lifetime measurements of infrared emitters using a low-jitter superconduct- ing single-photon detector Type Journal Article
  Year 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 89 Issue Pages 031109  
  Keywords SSPD, jitter, QD, QW  
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  Notes Approved no  
  Call Number (up) RPLAB @ akorneev @ Serial 611  
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Author Stevens, M.; Hadfeld, R.; Schwall, R.; Nam, S.W.; and Mirin, R. openurl 
  Title Quantum dot single photon sources studied with superconducting single photon detectors Type Journal Article
  Year 2006 Publication IEEE J. Sel. Topics Quantum Electron. Abbreviated Journal  
  Volume 12 Issue 6 Pages 1255-1267  
  Keywords SSPD, jitter, QD, QW  
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  Notes Approved no  
  Call Number (up) RPLAB @ akorneev @ Serial 612  
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Author Baryshev A.; Hovenier J.N.; Adam A.J.L.; Kašalynas I.; Gao J.R.; Klaassen T.O.; Williams B.S.; Kumar S.; Hu Q.; Reno J.L. openurl 
  Title Phase locking and spectral linewidth of a two-mode terahertz quantum cascade laser Type Journal Article
  Year 2006 Publication Physics Letters Abbreviated Journal  
  Volume 89 Issue Pages  
  Keywords  
  Abstract We have studied the phase locking and spectral linewidth of an ~ 2.7 THz quantum cascade laser by mixing its two lateral lasing modes. The beat signal at about 8 GHz is compared with a microwave eference by applying conventional phase lock loop circuitry with feedback to the laser bias current. Phase locking has been demonstrated, resulting in a narrow beat linewidth of less than 10 Hz. Under requency stabilization we find that the terahertz line profile is essentially Lorentzian with a minimum linewidth of ~ 6.3 kHz. Power dependent measurements suggest that this linewidth does not approach the Schawlow-Townes limit.  
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  Call Number (up) RPLAB @ atomics90 @ Serial 967  
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Author Hovenier J.N.; Adam A.J.L.; Kašalynas I.; Gao J.R.; Klaassen T.O.; Baryshev A.; Williams B.S.; Kumar S.; Hu Q.; Reno J.L. openurl 
  Title Phase-locking on the beat signal of a two-mode 2.7 terahertz metal-metal quantum cascade laser Type Conference Article
  Year 2006 Publication Proc. Symp. IEEE/LEOS Benelux Chapter Abbreviated Journal  
  Volume Issue Pages 125-128  
  Keywords  
  Abstract We have studied the linewidth and phase-locking of a 2.7 THz quantum cascade laser by using a superconducting bolometer mixer. The 8 GHz beat signal is compared with a microwave reference with a feedback to the laser bias current. Phase locking has been demonstrated, resulting in an extremely narrow beat linewidth of less than 10 Hz. Under frequency-stabilization conditions we find that the line profile is virtually Lorentzian with a long-term minimum linewidth of the THz modes of about 6.3 kHz. Temperature dependent measurements suggestthat this linewidthdoes not approach the Schawlow-Townes limit.  
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  Call Number (up) RPLAB @ atomics90 @ Serial 968  
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Author Brown, E. R.; Lee, A. W. M.; Navi, B. S.; Bjarnason, J. E. openurl 
  Title Characterization of a planar self-complementary square-spiral antenna in the THz region Type Journal Article
  Year 2006 Publication Microwave and Optical Technology Letters Abbreviated Journal Microwave Opt Technol Lett  
  Volume 48 Issue 3 Pages 524-529  
  Keywords optical antennas; square spiral antenna; self complementary THz; photomixing; lens; method of moments; geometric optics; physical optics  
  Abstract This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity (~9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between ~00 and 300Ω from 200 GHz to 1 THz—much higher than the 72Ω value from Booker's modified formula, but quite beneficial for coupling to high-impedance broadband devices  
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  Notes Approved no  
  Call Number (up) RPLAB @ gujma @ Serial 736  
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Author Zhang, Qiang; Goebel, Alexander; Wagenknecht, Claudia; Chen, Yu-Ao; Zhao, Bo; Yang, Tao; Mair, Alois; Schmiedmayer, Jörg; Pan, Jian-Wei openurl 
  Title Experimental quantum teleportation of a two-qubit composite system Type Journal Article
  Year 2006 Publication Nature Physics Abbreviated Journal Nat. Phys.  
  Volume 2 Issue 10 Pages 678-682  
  Keywords fromIPMRAS; quantum teleportation  
  Abstract Quantum teleportation, a way to transfer the state of a quantum system from one location to another, is central to quantum communication and plays an important role in a number of quantum computation protocols. Previous experimental demonstrations have been implemented with single photonic or ionic qubits. However, teleportation of single qubits is insufficient for a large-scale realization of quantum communication and computation. Here, we present the experimental realization of quantum teleportation of a two-qubit composite system. In the experiment, we develop and exploit a six-photon interferometer to teleport an arbitrary polarization state of two photons. The observed teleportation fidelities for different initial states are all well beyond the state estimation limit of 0.40 for a two-qubit system. Not only does our six-photon interferometer provide an important step towards teleportation of a complex system, it will also enable future experimental investigations on a number of fundamental quantum communication and computation protocols  
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  Call Number (up) RPLAB @ gujma @ Serial 795  
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Author openurl 
  Title HgCdTe detectors technical data sheet Type Miscellaneous
  Year 2006 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords HgCdTe  
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  Call Number (up) RPLAB @ s @ Serial 464  
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Author Hajenius, M.; Baselmans, J. J. A.; Baryshev, A.; Gao, J. R.; Klapwijk, T. M.; Kooi, J. W.; Jellema, W.; Yang, Z. Q. url  doi
openurl 
  Title Full characterization and analysis of a terahertz heterodyne receiver based on a NbN hot electron bolometer Type Journal Article
  Year 2006 Publication J. Appl. Phys. Abbreviated Journal  
  Volume 100 Issue 7 Pages 074507  
  Keywords HEB  
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  Series Volume Series Issue Edition  
  ISSN 0021-8979 ISBN Medium  
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  Notes Approved no  
  Call Number (up) RPLAB @ s @ Serial 385  
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Author McDonald, P.C.; Jaramillo, E.; Baudouy, B. url  doi
openurl 
  Title Thermal design of the CFRP support struts for the spatial framework of the Herschel Space Observatory Type Journal Article
  Year 2006 Publication Cryogenics Abbreviated Journal Cryogenics  
  Volume 46 Issue 4 Pages 298-304  
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  ISSN 0011-2275 ISBN Medium  
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  Notes Approved no  
  Call Number (up) RPLAB @ s @ Serial 442  
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Author Baryshev A. M.; Candotti, M.; Trappe, N. A. openurl 
  Title Cross-polarization characteristics of GORE-TEX slabs at band 9 frequencies Type Miscellaneous
  Year 2006 Publication ALMA Memo Abbreviated Journal  
  Volume Issue 551 Pages  
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  Call Number (up) RPLAB @ s @ Serial 447  
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Author Rogalski, A. doi  openurl
  Title Material considerations for third generation photon detectors Type Miscellaneous
  Year 2006 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords HgCdTe, InAs/GaInSb, QWIP  
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  Notes Presentation Approved no  
  Call Number (up) RPLAB @ s @ Serial 463  
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Author url  openurl
  Title Atacama Pathfinder Experiment APEX Type
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  Call Number (up) RPLAB @ s @ APEX_proj Serial 396  
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Author Shitov, Sergey V.; Vystavkin, Alexander N. openurl 
  Title A design analysis of imaging radiometer with antenna-coupled transition-edge sensors Type Journal Article
  Year 2006 Publication Nuclear Instruments and Methods in Physics Research A Abbreviated Journal  
  Volume 559 Issue Pages 503-505  
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  Call Number (up) RPLAB @ s @ det_imag_radiometer_Shitov Serial 402  
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Author Pilbratt, Goran L. url  openurl
  Title Herschel mission: status and observing opportunities Type
  Year 2006 Publication Abbreviated Journal  
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  Call Number (up) RPLAB @ s @ HERSCHEL_proj Serial 397  
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