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Rodriguez-Morales, F.; Zannoni, R.; Nicholson, J.; Fischetti, M.; Yngvesson, K. S.; Appenzeller, J. |
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Direct and heterodyne detection of microwaves in a metallic single wall carbon nanotube |
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2006 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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89 |
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8 |
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083502 |
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carbon nanotube, GHz heterodyne detector, direct detector |
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0003-6951 |
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565 |
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Stevens, M.; Hadfield, R.; Schwall, R.; Nam, S.W.; Mirin, R.; Gupta, J. |
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Title |
Fast lifetime measurements of infrared emitters using a low-jitter superconduct- ing single-photon detector |
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Journal Article |
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2006 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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89 |
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031109 |
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Keywords |
SSPD, jitter, QD, QW |
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RPLAB @ akorneev @ |
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611 |
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Author |
Walther, Christoph; Scalari, Giacomo; Faist, Jerome; Beere, Harvey; Ritchie, David |
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Title |
Low frequency terahertz quantum cascade laser operating from 1.6 to 1.8 THz |
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Journal Article |
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Year |
2006 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
89 |
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Pages |
231121(1-3) |
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Keywords |
QCL, 360 uW at 1.6 THz |
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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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629 |
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Barends, R.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M. |
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Current-induced vortex unbinding in bolometer mixers |
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Journal Article |
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2005 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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87 |
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263506 (1 to 3) |
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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 |
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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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An, Zhenghua; Chen, Jeng-Chung; Ueda, T.; Komiyama, S.; Hirakawa, K. |
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Infrared phototransistor using capacitively coupled two-dimensional electron gas layers |
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2005 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
86 |
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172106 - 172106-3 |
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2DEG |
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RPLAB @ akorneev @ |
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603 |
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