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Author Dorenbos, S. N.; Reiger, E. M.; Perinetti, U.; Zwiller, V.; Zijlstra, T.; Klapwijk, T. M. url  doi
openurl 
  Title Low noise superconducting single photon detectors on silicon Type Journal Article
  Year 2008 Publication (up) Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 93 Issue 13 Pages 131101  
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  Series Volume Series Issue Edition  
  ISSN 0003-6951 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ Serial 436  
Permanent link to this record
 

 
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 1998 Publication (up) Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 73 Issue 19 Pages 2826  
  Keywords HEB  
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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 543  
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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 2005 Publication (up) 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 Zhang, W.; Khosropanah, P.; Gao, J. R.; Kollberg, E. L.; Yngvesson, K. S.; Bansal, T.; Barends, R.; Klapwijk, T. M. openurl 
  Title Quantum noise in a terahertz hot electron bolometer mixer Type Journal Article
  Year 2010 Publication (up) Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 96 Issue 11 Pages 111113-(1-3)  
  Keywords HEB mixer, quantum limit, quantum noise, vacuum box, THz, Terahertz  
  Abstract We have measured the noise temperature of a single, sensitive superconducting NbN hot electron bolometer (HEB) mixer in a frequency range from 1.6 to 5.3 THz, using a setup with all the key components in vacuum. By analyzing the measured receiver noise temperature using a quantum noise (QN) model for HEB mixers, we confirm the effect of QN. The QN is found to be responsible for about half of the receiver noise at the highest frequency in our measurements. The beta-factor (the quantum efficiency of the HEB) obtained experimentally agrees reasonably well with the calculated value.  
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  Notes Approved no  
  Call Number Serial 624  
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Author Tanner, M. G.; Natarajan, C. M.; Pottapenjara, V. K.; O'Connor, J. A.; Warburton, R. J.; Hadfield, R. H.; Baek, B.; Nam, S.; Dorenbos, S. N.; Bermúdez Ureña, E.; Zijlstra, T.; Klapwijk, T. M.; Zwiller, V. openurl 
  Title Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon Type Journal Article
  Year 2010 Publication (up) Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 96 Issue 22 Pages 3  
  Keywords SNSPD  
  Abstract Superconducting nanowire single-photon detectors (SNSPDs) have emerged as a highly promising infrared single-photon detector technology. Next-generation devices are being developed with enhanced detection efficiency (DE) at key technological wavelengths via the use of optical cavities. Furthermore, new materials and substrates are being explored for improved fabrication versatility, higher DE, and lower dark counts. We report on the practical performance of packaged NbTiN SNSPDs fabricated on oxidized silicon substrates in the wavelength range from 830 to 1700 nm. We exploit constructive interference from the SiO2/Si interface in order to achieve enhanced front-side fiber-coupled DE of 23.2 % at 1310 nm, at 1 kHz dark count rate, with 60 ps full width half maximum timing jitter.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 655  
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