| Records |
| Author |
Karpov, A.; Miller, D.; Rice, F.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
| Title |
Development of 1.25 THz SIS mixer for Herschel Space Observatory |
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Conference Article |
| Year |
2006 |
Publication |
Proc. SPIE |
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| Volume |
6275 |
Issue |
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62751 |
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Zmuidzinas, Jonas; Holland, Wayne S. |
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RPLAB @ s @ Karpov_SIS_2006 |
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401 |
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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. |
| Title |
Mixing and noise in diffusion and phonon cooled superconducting hot-electron bolometers |
Type |
Journal Article |
| Year |
1999 |
Publication |
J. Appl. Phys. |
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| Volume |
85 |
Issue |
3 |
Pages |
1644-1653 |
| Keywords |
HEB, mixer |
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0021-8979 |
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no |
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556 |
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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. |
| 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 |
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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RPLAB @ gujma @ |
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760 |
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Karpov, A.; Miller, D.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
| Title |
Low noise NbTiN 1.25 THz SIS mixer for Herschel Space Observatory |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
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450 |
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Göteborg, Sweden |
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RPLAB @ s @ nt_SIS_760at1p25THz |
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359 |
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Tong, C. Y. E.; Blundell, R.; Bumble, B.; Stern, J. A.; LeDuc, H. G. |
| Title |
Sub-Millimeter distributed quasiparticle receiver employing a non-Linear transmission line |
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Conference Article |
| Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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47 |
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271 |
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