Document Type
Article
Publication Date
12-9-2013
Publication Title
Physical Review Letters
Abstract
We analyze the quantum dynamics of a superconducting cavity coupled to a voltage-biased Josephson junction. The cavity is strongly excited at resonances where the voltage energy lost by a Cooper pair traversing the circuit is a multiple of the cavity photon energy. We find that the resonances are accompanied by substantial squeezing of the quantum fluctuations of the cavity over a broad range of parameters and are able to identify regimes where the fluctuations in the system take on universal values.
DOI
10.1103/PhysRevLett.111.247001
Dartmouth Digital Commons Citation
Armour, A. D.; Blencowe, M. P.; Brahimi, E.; and Rimberg, A. J., "Universal Quantum Fluctuations of a Cavity Mode Driven by a Josephson Junction" (2013). Dartmouth Scholarship. 3521.
https://digitalcommons.dartmouth.edu/facoa/3521