Observation of zero-point noise squeezing via a Josephson-parametric amplifier

R. Movshovich, B. Yurke, P. G. Kaminsky, A. D. Smith, A. H. Silver, R. W. Simon, M. V. Schneider

Research output: Contribution to journalArticlepeer-review

130 Scopus citations

Abstract

We have demonstrated (47±8)% squeezing of vacuum-fluctuation noise using a Josephson-parametric amplifier operated at 19.16 GHz. The amplifier was operated at 30 mK and has a double-sideband noise temperature of 0.446 K. This is comparable to the vacuum noise floor h/2k=0.460 K.

Original languageEnglish
Pages (from-to)1419-1422
Number of pages4
JournalPhysical Review Letters
Volume65
Issue number12
DOIs
StatePublished - 1990
Externally publishedYes

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