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Author |
Karpov, A.; Miller, D.; Rice, F.; Zmuidzinas, J.; Stern, J. A.; Bumble, B.; LeDuc, H. G. |
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Title |
Low noise 1.2 THz SIS receiver |
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Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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21-22 |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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Call Number |
RPLAB @ s @ sis_650K_at_1p13THz |
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316 |
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Author |
Shi, S. C.; Chin, C. C.; Wang, M. J.; Shan, W. L.; Zhang, W.; Noguchi, T. |
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Title |
Development of a 600–720 GHz SIS Mixer for the SMART |
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Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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215 |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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Call Number |
RPLAB @ s @ sis_145K_at_p618THz |
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317 |
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Cherednichenko, S.; Kroug, M.; Merkel, H.; Kollberg, E.; Loudkov, D.; Smirnov, K.; Voronov, B.; Gol'tsman, G.; Gershenzon, E. |
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Title |
Local oscillator power requirement and saturation effects in NbN HEB mixers |
Type |
Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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273-285 |
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Keywords |
NbN HEB mixers, LO power, local oscillator power, saturation effect, dynamic range |
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Abstract |
The local oscillator power required for NbN hot-electron bolometric mixers (P LO ) was investigated with respect to mixer size, critical temperature and ambient temperature. P LO can be decreased by a factor of 10 as the mixer size decreases from 4×0.4 µm 2 to 0.6×0.13 µm 2 . For the smallest volume mixer the optimal local oscillator power was found to be 15 nW. We found that for such mixer no signal compression was observed up to an input signal of 2 nW which corresponds to an equivalent input load of 20,000 K. For a constant mixer volume, reduction of T c can decrease optimal local oscillator power at least by a factor of 2 without a deterioration of the receiver noise temperature. Bath temperature was found to have minor effect on the receiver characteristics. |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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318 |
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Kroug, M.; Cherednichenko, S.; Choumas, M.; Merkel, H.; Kollberg, E.; Hübers, H.-W.; Richter, H.; Loudkov, D.; Voronov, B.; Gol'Tsman, G. |
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Title |
HEB quasi-optical heterodyne receiver for THz frequencies |
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Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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244-252 |
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Keywords |
HEB mixer, NbN, MgO, conversion gain bandwidth, noise temperature |
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San Diego, CA, USA |
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319 |
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Merkel, H. F.; Khosropanah, P.; Sigfrid Yngvesson, K.; Cherednichenko, S.; Kroug, M.; Adam, A.; Kollberg, E. |
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Title |
An active zone small signal model for hot-electron bolometric mixers |
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Conference Article |
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2001 |
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Proc. 12th Int. Symp. Space Terahertz Technol. |
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55 |
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San Diego, CA, USA |
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RPLAB @ s @ losses_in_contacts_merkel |
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320 |
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