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Proceedings Paper

Parametric Amplification Using Superconducting Tunnel Junctions.
Author(s): H. K. Olsson; T. Claeson
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Paper Abstract

Stable and low noise operation of a Josephson parametric amplifier has been obtained at 9GHz. Best performance was acheived in the externally pumped modes giving a double side-band noise temperature of 3±4K, a gain of 13B, and an instantaneous bandwidth of 310MHz. An operation mode that uses the internally generated Josephson oscillation as the pump source gave higher noise (-50K) due to the broad width of the pump.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978330
Show Author Affiliations
H. K. Olsson, Chalmers University of Technology (Sweden)
T. Claeson, Chalmers University of Technology (Sweden)

Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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