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Author Rodriguez-Morales, F.; Zannoni, R.; Nicholson, J.; Fischetti, M.; Yngvesson, K. S.; Appenzeller, J. url  doi
openurl 
  Title Direct and heterodyne detection of microwaves in a metallic single wall carbon nanotube Type Journal Article
  Year (down) 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 89 Issue 8 Pages 083502  
  Keywords carbon nanotube, GHz heterodyne detector, direct detector  
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  ISSN 0003-6951 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 565  
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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 (down) 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 RPLAB @ akorneev @ Serial 611  
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Author Walther, Christoph; Scalari, Giacomo; Faist, Jerome; Beere, Harvey; Ritchie, David openurl 
  Title Low frequency terahertz quantum cascade laser operating from 1.6 to 1.8 THz Type Journal Article
  Year (down) 2006 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 89 Issue Pages 231121(1-3)  
  Keywords QCL, 360 uW at 1.6 THz  
  Abstract The authors report a GaAs/Al0.1Ga0.9As quantum cascade laser based on a bound-to-continuum transition optimized for low frequency operation. High tunability of the gain curve is achieved by the Stark effect and laser emission is measured between 1.6 and 1.8 THz. Pulsed mode operation up to 95 K and continuous wave operation up to 80 K are reported. The dynamical range in current is as high as 43%.  
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  Notes Approved no  
  Call Number Serial 629  
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Author An, Zhenghua; Chen, Jeng-Chung; Ueda, T.; Komiyama, S.; Hirakawa, K. openurl 
  Title Infrared phototransistor using capacitively coupled two-dimensional electron gas layers Type Journal Article
  Year (down) 2005 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 86 Issue Pages 172106 - 172106-3  
  Keywords 2DEG  
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  Notes Approved no  
  Call Number RPLAB @ akorneev @ Serial 603  
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Author Barends, R.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M. openurl 
  Title Current-induced vortex unbinding in bolometer mixers Type Journal Article
  Year (down) 2005 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 87 Issue Pages 263506 (1 to 3)  
  Keywords HEB mixer numerical model, HEB model, IV-curves, vortex-antivortex, Berezinskii–Kosterlitz–Thouless theory, diffusion cooling channel, diffusion channel, distributed HEB model, distributed model, self-heating effect, temperature profile  
  Abstract We present a description of the current-voltage characteristics of hot electron bolometers in terms of the current-dependent intrinsic resistive transition of NbN films. We find that, by including this current dependence, we can correctly predict the complete current-voltage characteristics, showing excellent agreement with measurements for both low and high bias and for small as well as large devices. It is assumed that the current dependence is due to vortex-antivortex unbinding as described in the Berezinskii–Kosterlitz–Thouless theory. The presented approach will be useful in guiding device optimization for noise and bandwidth.  
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  Notes Approved no  
  Call Number Serial 604  
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Author Siddiqi, I.; Prober, D. E. url  doi
openurl 
  Title Nb–Au bilayer hot-electron bolometers for low-noise THz heterodyne detection Type Journal Article
  Year (down) 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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  Notes Approved no  
  Call Number Serial 571  
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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 (down) 2003 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 82 Issue 10 Pages 1509-1511  
  Keywords single photon, quantum dot, InP  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 503  
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Author Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M. url  doi
openurl 
  Title Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers Type Journal Article
  Year (down) 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 79 Issue 15 Pages 2483-2485  
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  Notes Approved no  
  Call Number Serial 311  
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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 (down) 2001 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 78 Issue 17 Pages 2476  
  Keywords antibunching, quantum dot  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 502  
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Author Hoevers, H. F. C.; Bento, A. C.; Bruijn, M. P.; Gottardi, L.; Korevaar, M. A. N.; Mels, W. A.; de Korte, P. A. J. openurl 
  Title Thermal fluctuation noise in a voltage biased superconducting transition edge thermometer Type Journal Article
  Year (down) 2000 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 77 Issue 26 Pages 4421-4424  
  Keywords TES; bolometer; thermal fluctuation noise; TFN  
  Abstract The current noise at the output of a microcalorimeter with a voltage biased superconducting transition edge thermometer is studied in detail. In addition to the two well-known noise sources: thermal fluctuation noise from the heat link to the bath and Johnson noise from the resistive thermometer, a third noise source strongly correlated with the steepness of the thermometer is required to fit the measured noise spectra. Thermal fluctuation noise, originating in the thermometer itself, fully explains the additional noise. A simple model provides quantitative agreement between the observed and calculated noise spectra for all bias points in the superconducting transition.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 759  
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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 (down) 1999 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 74 Issue 11 Pages 1633-1635  
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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 461  
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Author Floet, D. Wilms; Baselmans, J. J. A.; Klapwijk, T. M.; Gao, J. R. url  doi
openurl 
  Title Resistive transition of niobium superconducting hot-electron bolometer mixers Type Journal Article
  Year (down) 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 73 Issue 19 Pages 2826  
  Keywords HEB  
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  Notes Approved no  
  Call Number Serial 543  
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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 (down) 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 72 Issue 12 Pages 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 Karasik, B. S.; Elantiev, A. I. url  doi
openurl 
  Title Noise temperature limit of a superconducting hot-electron bolometer mixer Type Journal Article
  Year (down) 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 6 Pages 853-855  
  Keywords HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth  
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  ISSN 0003-6951 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 260  
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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 (down) 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 16 Pages 2285-2287  
  Keywords HEB mixer, diffusion cooling channel, diffusion channel  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 262  
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