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Design and Performance of a 600-720-GHz Sideband-Separating Receiver Using AlO(x) and AlN SIS Junctions

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2011-01
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Mena Mena, Fausto Patricio
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Design and Performance of a 600-720-GHz Sideband-Separating Receiver Using AlO(x) and AlN SIS Junctions
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Author
  • Mena Mena, Fausto Patricio;
  • Kooi, J. W.;
  • Baryshev, A. M.;
  • Lodewijk, C. F. J.;
  • Zijlstra, T.;
  • Hesper, R.;
  • Gerlofsma, G.;
  • Klapwijk, T. M.;
  • Wild, W.;
Abstract
We present the design, modeling, construction, and characterization of a sideband separating heterodyne receiver that covers the frequency range from 600 to 720 GHz. The receiver has been constructed using waveguide technology in the split-block technique. The core of the mixer consists of a quadrature hybrid, two directional couplers to inject the local oscillator signal, two superconductor-insulator-superconductor (SIS) junctions, three signal-termination loads, and two planar IF/bandpass-filter/dc-bias circuits. The instrument that we have constructed presents excellent performance as demonstrated by two important figures of merit: receiver noise temperature and sideband ratio. Across the entire band, the uncorrected single-sideband noise temperature is below 500 K and reaches 190 K at the best operating point. The sideband ratio is greater than 10 dB over most of the frequency operating range. Superconducting junctions containing AlO(x)- and AlN-tunnel barriers were tested.
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Artículo de publicación ISI
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We gratefully acknowledge funding from NOVA, the Netherlands Research School for Astronomy, and the the European Community’s sixth Framework Programme under RadioNet R113CT 2003 5058187. A. Baryshev also acknowledges support by a grant from the STW/NWO (VENI 08119).
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URI: https://repositorio.uchile.cl/handle/2250/125525
DOI: DOI: 10.1109/TMTT.2010.2090417
ISSN: 0018-9480
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IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES Volume: 59 Issue: 1 Pages: 166-177 Published: JAN 2011
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