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Author Zwiller, Vale<cc><81>ry; Blom, Hans; Jonsson, Per; Panev, Nikolay; Jeppesen, Sören; Tsegaye, Tedros; Goobar, Edgard; Pistol, Mats-Erik; Samuelson, Lars; Björk, Gunnar url  doi
openurl 
  Title Single quantum dots emit single photons at a time: Antibunching experiments Type Journal Article
  Year 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 78 Issue 17 Pages (down) 2476  
  Keywords antibunching, quantum dot  
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  ISSN 0003-6951 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 502  
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Author Karasik, B. S.; Il'in, K. S.; Pechen, E. V.; Krasnosvobodtsev, S. I. url  doi
openurl 
  Title Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer Type Journal Article
  Year 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 16 Pages (down) 2285-2287  
  Keywords HEB mixer, diffusion cooling channel, diffusion channel  
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  Notes Approved no  
  Call Number Serial 262  
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Author Prober, D. E. openurl 
  Title Superconducting terahertz mixer using a transition-edge microbolometer Type Journal Article
  Year 1993 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 62 Issue 17 Pages (down) 2119-2121  
  Keywords HEB mixer, NbN, TES  
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  Notes Recommended by Klapwijk Approved no  
  Call Number Serial 244  
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Author Baselmans, J. J. A.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M.; de Korte, P. A. J.; Voronov, B.; Gol'tsman, G. doi  openurl
  Title Doubling of sensitivity and bandwidth in phonon cooled hot electron bolometer mixers Type Journal Article
  Year 2004 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 84 Issue 11 Pages (down) 1958-1960  
  Keywords NbN HEB mixers  
  Abstract We demonstrate that the performance of NbN lattice cooled hot electron bolometer mixers depends strongly on the interface quality between the bolometer and the contact structure. We show experimentally that both the receiver noise temperature and the gain bandwidth can be improved by more than a factor of 2 by cleaning the interface and adding an additional superconducting interlayer to the contact pad. Using this we obtain a double sideband receiver noise temperature TN,DSB=950 K

at 2.5 THz and 4.3 K, uncorrected for losses in the optics. At the same bias point, we obtain an IF gain bandwidth of 6 GHz.		  
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  Call Number Serial 352  
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Author Floet D. W.; Gao J. R.; Klapwijk T. M.; de Korte P. A. J. url  doi
openurl 
  Title Bias Dependence of the Thermal Time Constant in Nb Superconducting Diffusion-Cooled HEB Mixers Type Journal Article
  Year 2000 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 77 Issue Pages (down) 1719  
  Keywords  
  Abstract We present an experimental study of the intermediate frequency bandwidth of a Nb diffusion-cooled hot-electron bolometer mixer for different bias voltages. The measurements show that the bandwidth increases with increasing voltage. Analysis of the data reveals that this effect is mainly caused by a decrease of the intrinsic thermal time of the mixer and that the effect of electrothermal feedback through the intermediate frequency circuit is small. The results are understood using a qualitative model, which takes into account the different effective diffusion constants in the normal and superconducting domains.  
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  Notes Approved no  
  Call Number RPLAB @ atomics90 @ Serial 971  
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Author Mason, Whitney; Waterman, J. R. url  doi
openurl 
  Title Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors Type Journal Article
  Year 1999 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 74 Issue 11 Pages (down) 1633-1635  
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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 461  
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Author Kawamura, J.; Blundell, R.; Tong, C.-yu E.; Gol’tsman, G.; Gershenzon, E.; Voronov, B.; Cherednichenko, S. url  doi
openurl 
  Title Low noise NbN lattice-cooled superconducting hot-electron bolometric mixers at submillimeter wavelengths Type Journal Article
  Year 1997 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 70 Issue 12 Pages (down) 1619-1621  
  Keywords NbN HEB mixers  
  Abstract Lattice-cooled superconducting hot-electron bolometric mixers are used in a submillimeter-wave waveguide heterodyne receiver. The mixer elements are niobium nitride film with 3.5 nm thickness and ∼10 μm2 area. The local oscillator power for optimal performance is estimated to be 0.5 μW, and the instantaneous bandwidth is 2.2 GHz. At an intermediate frequency centered at 1.4 GHz with 200 MHz bandwidth, the double sideband receiver noise temperature is 410 K at 430 GHz. The receiver has been used to detect molecular line emission in a laboratory gas cell.  
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  Notes Approved no  
  Call Number Serial 1599  
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Author Burke, P. J.; Schoelkopf, R. J.; Prober, D. E.; Skalare, A.; Karasik, B. S.; Gaidis, M. C.; McGrath, W. R.; Bumble, B.; Leduc, H. G. openurl 
  Title Spectrum of thermal fluctuation noise in diffusion and phonon cooled hot-electron mixers Type Journal Article
  Year 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 72 Issue 12 Pages (down) 1516-1518  
  Keywords HEB mixer; thermal fluctuation noise; TFN  
  Abstract A systematic study of the intermediate frequency noise bandwidth of Nb thin-film superconducting hot-electron bolometers is presented. We have measured the spectrum of the output noise as well as the conversion efficiency over a very broad intermediate frequency range (from 0.1 to 7.5 GHz) for devices varying in length from 0.08 μm to 3 μm. Local oscillator and rf signals from 8 to 40 GHz were used. For a device of a given length, the spectrum of the output noise and the conversion efficiency behave similarly for intermediate frequencies less than the gain bandwidth, in accordance with a simple thermal model for both the mixing and thermal fluctuation noise. For higher intermediate frequencies the conversion efficiency decreases; in contrast, the noise decreases but has a second contribution which dominates at higher frequency. The noise bandwidth is larger than the gain bandwidth, and the mixer noise is low, between 120 and 530 K (double side band).  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 760  
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Author Zwiller, V.; Aichele, T.; Seifert, W.; Persson, J.; Benson, O. url  doi
openurl 
  Title Generating visible single photons on demand with single InP quantum dots Type Journal Article
  Year 2003 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 82 Issue 10 Pages (down) 1509-1511  
  Keywords single photon, quantum dot, InP  
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  Notes Approved no  
  Call Number Serial 503  
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Author Trifonov, V. A.; Karasik, B. S.; Zorin, M. A.; Gol’tsman, G. N.; Gershenzon, E. M.; Lindgren, M.; Danerud, M.; Winkler, D. url  doi
openurl 
  Title 9.6 μm wavelength mixing in a patterned YBa2Cu3O7‐δ thin film Type Journal Article
  Year 1996 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 10 Pages (down) 1418-1420  
  Keywords YBCO HTS HEB mixers  
  Abstract Hot‐electron bolometric (HEB) mixing of 9.6 μm infrared radiation from two lasers in high‐quality YBa2Cu3O7−δ (YBCO) patterned thin film has been demonstrated. A heterodyne measurement showed an intermediate frequency (IF) bandwidth of 18 GHz, limited by our measurement system. An intrinsic limit of 100 GHz is predicted. Between 0.1 and 1 GHz intermediate frequency, temperature fluctuations with an equivalent output noise temperature Tfl up to ∼150 K, contributed to the mixer noise while Johnson noise dominated above 1 GHz. The overall conversion loss at 77 K at low intermediate frequencies was measured to be ∼25 dB, of which 13 dB was due to the coupling loss. The HEB mixer is very promising for use in heterodyne receivers within the whole infrared range.  
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  Notes Approved no  
  Call Number Serial 1613  
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