Parametric Amplification Using Superconducting Tunnel Junctions.

H. K. Olsson; T. Claeson

doi:10.1117/12.978330

18 November 1989 Parametric Amplification Using Superconducting Tunnel Junctions.

H. K. Olsson, T. Claeson

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978330
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

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.

Citation Download Citation

H. K. Olsson and T. Claeson "Parametric Amplification Using Superconducting Tunnel Junctions.", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978330

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