Realization of a single-Cooper-pair Josephson laser

  title={Realization of a single-Cooper-pair Josephson laser},
  author={F. Chen and Juliang Li and A. Armour and E. Brahimi and J. Stettenheim and A. Sirois and R. Simmonds and M. Blencowe and A. Rimberg},
  journal={Physical Review B},
  • F. Chen, Juliang Li, +6 authors A. Rimberg
  • Published 2014
  • Physics
  • Physical Review B
  • We have embedded a voltage-biased Cooper-pair transistor (CPT) in a high-Q superconducting microwave cavity. When the energy given to a tunneling Cooper pair by the voltage bias is equal to a multiple of the cavity photon frequency, the cavity is pumped to a strongly nonequilibrium state. The cavity photons act back on the CPT, allowing us to enter a regime of strongly correlated electronic-photonic transport. We directly observe the effects of photonic backaction on Cooper-pair transport, and… CONTINUE READING

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