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Kerr, A. R.; Feldman, M. J.; Pan, S.-K. |
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Receiver noise temperature, the quantum noise limit, and zero–point fluctuations |
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1997 |
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Proc. 8th Int. Symp. Space Terahertz Technol. |
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101-111 |
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277 |
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de Lange, G.; Hu, Q.; Huang, H.; Lichtenberger, A. W. |
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Development of a 170-210 GHz 3×3 micromachined SIS imaging array |
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1997 |
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Proc. 8th Int. Symp. Space Terahertz Technol. |
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518 |
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278 |
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Ekstörm, H.; Kollberg, E.; Yagoubov, P.; Gol'tsman, G.; Gershenzon, E.; Yngvesson, S. |
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Title |
Gain and noise bandwidth of NbN hot-electron bolometric mixers |
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1997 |
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Appl. Phys. Lett. |
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Appl. Phys. Lett. |
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70 |
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24 |
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3296-3298 |
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NbN HEB mixers, conversion loss, conversion gain, U-factor technique |
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We have measured the noise performance and gain bandwidth of 35 Å thin NbN hot-electron mixers integrated with spiral antennas on silicon substrate lenses at 620 GHz. The best double-sideband receiver noise temperature is less than 1300 K with a 3 dB bandwidth of ≈5 GHz. The gain bandwidth is 3.2 GHz. The mixer output noise dominated by thermal fluctuations is 50 K, and the intrinsic conversion gain is about −12 dB. Without mismatch losses and excluding the loss from the beamsplitter, we expect to achieve a receiver noise temperature of less than 700 K. |
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279 |
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Mann, C. M.; Matheson, D. N.; Ellison, B. N.; Oldfield, M. L.; Moyna, B. P.; Spencer, J. J.; Wilsher, D. S.; Maddison, B. J. |
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On the design and measurement of a 2.5 THz waveguide mixer |
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1998 |
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Proc. 9th Int. Symp. Space Terahertz Technol. |
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161 |
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RPLAB @ s @ schottky_Tn_16800_at_2p5THz |
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283 |
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Tetsu Suzuki; Chris Mann; Takanari Yasui; Hirotomo Fujishima; Koji Mizuno |
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Quasi–integrated planar Schottky barrier diodes for 2.5 THz receivers |
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1998 |
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Proc. 9th Int. Symp. Space Terahertz Technol. |
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187 |
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RPLAB @ s @ schottky_Tn_24000_at_2p5THz |
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284 |
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