Amplification of microwaves by superconducting microbridges in a four‐wave parametric mode

Autor: R. Y. Chiao, P. T. Parrish
Rok vydání: 1974
Předmět:
Zdroj: Applied Physics Letters. 25:627-629
ISSN: 1077-3118
0003-6951
DOI: 10.1063/1.1655337
Popis: 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.
Databáze: OpenAIRE