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Giant Kerr Nonlinearities in Circuit Quantum Electrodynamics

Source: Phys. Rev. Lett. 103, 150503 (2009); doi:10.1103/PhysRevLett.103.150503

Published 8 October 2009

PACS
  • 03.67.Lx
    Quantum computation architectures and implementations
  • 42.50.Pq
    Cavity quantum electrodynamics; micromasers
  • 42.65.-k
    Nonlinear optics
  • 85.25.Cp
    Josephson devices
  • YEAR: 2009
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PUBLICATION DATA
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Stojan Rebić,1 Jason Twamley,1 and Gerard J. Milburn2
1Centre for Quantum Computer Technology, Physics Department, Macquarie University, Sydney, NSW 2109, Australia
2Centre for Quantum Computer Technology, Department of Physics, University of Queensland, St Lucia, QLD 4072, Australia
The very small size of optical nonlinearities places strict restrictions on the types of novel physics one can explore. This work describes how a single artificial multilevel Cooper pair box molecule, interacting with a superconducting microwave coplanar resonator, when suitably driven, can generate extremely large optical nonlinearities at microwave frequencies, with no associated absorption. We describe how the giant self-Kerr effect can be detected by measuring the second-order correlation function and quadrature squeezing spectrum. ©2009 The American Physical Society
History: Received 2 February 2009; published 8 October 2009
Permalink: http://link.aps.org/abstract/PRL/v103/e150503

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