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Author |
Hocker, L. O.; Sokoloff, D. R.; Daneu, V.; Szoke, A.; Javan, A. |
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Title |
Frequency mixing in the infrared and far-infrared using a metal-to-metal point contact diode |
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Journal Article |
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Year |
1968 |
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Applied Physics Letters |
Abbreviated Journal |
Appl Phys Lett |
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Volume |
12 |
Issue |
12 |
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Keywords |
optical antennas |
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Abstract |
Metalâ€toâ€metal point contact diodes were used to obtain the 54â€GHz beat notes between two adjacent 10.6â€μ CO2 laser transitions. The speed of the diodes in the farâ€infrared is at least 1000 GHz. This was tested with a 337â€μ HCN laser. |
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RPLAB @ gujma @ |
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742 |
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Author |
Karasik, B. S.; Elantiev, A. I. |
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Title |
Noise temperature limit of a superconducting hot-electron bolometer mixer |
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Journal Article |
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Year |
1996 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
68 |
Issue |
6 |
Pages |
853-855 |
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Keywords |
HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth |
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0003-6951 |
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260 |
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Author |
Karasik, B. S.; Il'in, K. S.; Pechen, E. V.; Krasnosvobodtsev, S. I. |
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Title |
Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer |
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Journal Article |
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Year |
1996 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
68 |
Issue |
16 |
Pages |
2285-2287 |
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Keywords |
HEB mixer, diffusion cooling channel, diffusion channel |
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0003-6951 |
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262 |
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Floet, D. Wilms; Baselmans, J. J. A.; Klapwijk, T. M.; Gao, J. R. |
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Title |
Resistive transition of niobium superconducting hot-electron bolometer mixers |
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Journal Article |
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1998 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
73 |
Issue |
19 |
Pages |
2826 |
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Keywords |
HEB |
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0003-6951 |
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543 |
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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. |
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Title |
Spectrum of thermal fluctuation noise in diffusion and phonon cooled hot-electron mixers |
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Journal Article |
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Year |
1998 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
72 |
Issue |
12 |
Pages |
1516-1518 |
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Keywords |
HEB mixer; thermal fluctuation noise; TFN |
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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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RPLAB @ gujma @ |
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760 |
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Author |
Mason, Whitney; Waterman, J. R. |
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Title |
Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors |
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Journal Article |
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Year |
1999 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
74 |
Issue |
11 |
Pages |
1633-1635 |
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0003-6951 |
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no |
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RPLAB @ s @ |
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461 |
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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. |
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Title |
Thermal fluctuation noise in a voltage biased superconducting transition edge thermometer |
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Journal Article |
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Year |
2000 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
77 |
Issue |
26 |
Pages |
4421-4424 |
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Keywords |
TES; bolometer; thermal fluctuation noise; TFN |
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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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RPLAB @ gujma @ |
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759 |
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Author |
Ganzevles, W. F. M.; Gao, J. R.; de Korte, P. A. J.; Klapwijk, T. M. |
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Title |
Direct response of microstrip line coupled Nb THz hot-electron bolometer mixers |
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Journal Article |
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Year |
2001 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
79 |
Issue |
15 |
Pages |
2483-2485 |
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0003-6951 |
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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 |
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Title |
Single quantum dots emit single photons at a time: Antibunching experiments |
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Journal Article |
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Year |
2001 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
78 |
Issue |
17 |
Pages |
2476 |
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Keywords |
antibunching, quantum dot |
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0003-6951 |
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502 |
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Zwiller, V.; Aichele, T.; Seifert, W.; Persson, J.; Benson, O. |
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Title |
Generating visible single photons on demand with single InP quantum dots |
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Journal Article |
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2003 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
82 |
Issue |
10 |
Pages |
1509-1511 |
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single photon, quantum dot, InP |
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0003-6951 |
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503 |
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Siddiqi, I.; Prober, D. E. |
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Title |
Nb–Au bilayer hot-electron bolometers for low-noise THz heterodyne detection |
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Journal Article |
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Year |
2004 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
84 |
Issue |
8 |
Pages |
1404 |
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Keywords |
HEB, mixers, dynamic range, saturation, LO power, local oscillator power, Nb |
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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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0003-6951 |
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571 |
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Author |
An, Zhenghua; Chen, Jeng-Chung; Ueda, T.; Komiyama, S.; Hirakawa, K. |
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Title |
Infrared phototransistor using capacitively coupled two-dimensional electron gas layers |
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Journal Article |
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Year |
2005 |
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Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
86 |
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Pages |
172106 - 172106-3 |
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2DEG |
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RPLAB @ akorneev @ |
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603 |
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Barends, R.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M. |
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Title |
Current-induced vortex unbinding in bolometer mixers |
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Journal Article |
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2005 |
Publication |
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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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 |
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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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604 |
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Hadfield, Robert. H.; Habif, Jonathan L.; Schlafer, John; Schwall, Robert. E.; Nam, Sae Woo |
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Quantum key distribution at 1550 nm with twin superconducting single-photon detectors |
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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 |
Issue |
24 |
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241129 |
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SSPD, quantum cryptography |
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0003-6951 |
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533 |
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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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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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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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