Amplification of microwaves by superconducting microbridges in a four-wave parametric mode
- 15 November 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 25 (10), 627-629
- https://doi.org/10.1063/1.1655337
Abstract
We have observed an electronic gain of 12 dB at 10 GHz in a parametric amplifier whose nonlinear element is a series of unbiased Anderson‐Dayem microbridges. The bandwidth was measured to be 1 GHz and the noise temperature to be less than 20 K.Keywords
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