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Author Kooi, J. W.; Baselmans, J. J. A.; Baryshev, A.; Schieder, R.; Hajenius, M.; Gao, J.R.; Klapwijk, T. M.; Voronov, B.; Gol’tsman, G. url  doi
openurl 
  Title Stability of heterodyne terahertz receivers Type Journal Article
  Year 2006 Publication J. Appl. Phys. Abbreviated Journal J. Appl. Phys.  
  Volume 100 Issue 6 Pages 064904 (1 to 9)  
  Keywords NbN HEB mixers  
  Abstract (down) In this paper we discuss the stability of heterodyne terahertz receivers based on small volume NbN phonon cooled hot electron bolometers (HEBs). The stability of these receivers can be broken down in two parts: the intrinsic stability of the HEB mixer and the stability of the local oscillator (LO) signal injection scheme. Measurements show that the HEB mixer stability is limited by gain fluctuations with a 1∕f spectral distribution. In a 60MHz noise bandwidth this results in an Allan variance stability time of ∼0.3s. Measurement of the spectroscopic Allan variance between two intermediate frequency (IF) channels results in a much longer Allan variance stability time, i.e., 3s between a 2.5 and a 4.7GHz channel, and even longer for more closely spaced channels. This implies that the HEB mixer 1∕f noise is strongly correlated across the IF band and that the correlation gets stronger the closer the IF channels are spaced. In the second part of the paper we discuss atmospheric and mechanical system stability requirements on the LO-mixer cavity path length. We calculate the mixer output noise fluctuations as a result of small perturbations of the LO-mixer standing wave, and find very stringent mechanical and atmospheric tolerance requirements for receivers operating at terahertz frequencies.  
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  ISSN 0021-8979 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 1444  
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Author Cherednichenko, S.; Drakinskiy, V.; Baubert, J.; Lecomte, B.; Dauplay, F.; Krieg, J. M.; Delorme, Y.; Feret, A.; Hübers, H. W.; Semenov, A. D.; Gol'tsman, G. N. url  doi
openurl 
  Title 2.5 THz multipixel heterodyne receiver based on NbN HEB mixers Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal Proc. SPIE  
  Volume 6275 Issue Pages 62750I (1 to 11)  
  Keywords HEB, mixer, membrane  
  Abstract (down) A 16 pixel heterodyne receiver for 2.5 THz has been developed based on NbN superconducting hot-electron bolometer (HEB) mixers. The receiver uses a quasioptical RF coupling approach where HEB mixers are integrated into double dipole antennas on 1.5 µm thick Si3N4/SiO2 membranes. Spherical mirrors (one per pixel) and backshort distance from the antenna have been used to design the output mixer beam profile. The camera design allows all 16 pixel IF readout in parallel. The gain bandwidth of the HEB mixers on Si3N4/SiO2 membranes was found to be 0.7÷0.9 GHz, which is much smaller than for similar devices on silicon. Application of buffer layers and use of alternative types of membranes (e.g. silicon-on-insulator) is under investigation.  
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  Notes Approved no  
  Call Number Serial 561  
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Author de Graauw, Thijs; Whyborn, Nick; Caux, Emmanuel; Phillips, Tom; Stutzki, Juergen; Tielens, Xander; Güsten, Rolf; Helmich, Frank; Luinge, W.; Pearson, John; Roelfsema, Peter; Schieder, Rudolf; Wildeman, Klaas; Wafelbakker, Kees openurl 
  Title The Herschel-heterodyne instrument for the far-infrared (HIFI) Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal  
  Volume Issue Pages  
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  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Orlando Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 421  
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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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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 464  
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Author Hadfield, Robert. H.; Habif, Jonathan L.; Schlafer, John; Schwall, Robert. E.; Nam, Sae Woo url  doi
openurl 
  Title Quantum key distribution at 1550 nm with twin superconducting single-photon detectors Type Journal Article
  Year 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 89 Issue 24 Pages 241129  
  Keywords SSPD, quantum cryptography  
  Abstract (down)  
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  Corporate Author Thesis  
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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 533  
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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 Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0021-8979 ISBN Medium  
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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 385  
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Author Kenyon, M.; Day, P. K.; Bradford, C. M.; Bock, J. J.; Leduc, H. G. openurl 
  Title Background-limited membrane-isolated TES bolometers for far-IR/submillimeter direct-detection spectroscopy Type Journal Article
  Year 2006 Publication Nucl. Instr. & Meth. Phys. Res. A Abbreviated Journal  
  Volume 559 Issue Pages 456-458  
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  Notes Approved no  
  Call Number RPLAB @ s @ TES_NEP_1e_19 Serial 384  
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Author David Olaya; Jian Wei; Sergei Pereverzev; Karasik, Boris S.; Kawamura, Jonat.han H.; McGrath, William R.; Sergeyev, Andrei V.; Gershenson, Michael E. openurl 
  Title An ultrasensitive hot-electron bolometer for low-background SMM applications Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal  
  Volume 6275 Issue Pages 627506  
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  Notes Approved no  
  Call Number RPLAB @ s @ qoheb_det_SPIE_Olaya_2006 Serial 387  
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Author Gol'tsman, G.; Korneev, A.; Minaeva, O.; Antipov, A.; Divochiy, A.; Kaurova, N.; Voronov, B.; Pan, D.; Cross, A.; Pearlman, A.; Komissarov, I.; Slysz, W.; Sobolewski, R. openurl 
  Title Middle-infrared to visible-light ultrafast superconducting single-photon detector Type Conference Article
  Year 2006 Publication Proc. ASC Abbreviated Journal  
  Volume Issue Pages  
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  Corporate Author Thesis  
  Publisher Place of Publication Seattle Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ SSPD_cavity_ASC Serial 389  
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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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  Notes Approved no  
  Call Number RPLAB @ s @ HERSCHEL_proj Serial 397  
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