Strong photon coupling to the quadrupole moment of an electron in a solid-state qubit

  title={Strong photon coupling to the quadrupole moment of an electron in a solid-state qubit},
  author={J. Koski and A. Landig and M. Russ and J. C. Abadillo-Uriel and P. Scarlino and B. Kratochwil and C. Reichl and W. Wegscheider and G. Burkard and M. Friesen and S. Coppersmith and A. Wallraff and K. Ensslin and T. Ihn},
  journal={Nature Physics},
  • J. Koski, A. Landig, +11 authors T. Ihn
  • Published 2020
  • Physics
  • Nature Physics
  • The fundamental concept of light–matter interaction is routinely realized by coupling the quantized electric field in a cavity to the dipole moment of a real or an artificial atom. A recent proposal 1 , 2 , motivated by the prospect of overcoming the decohering effects of distant charge fluctuations, suggests that introduction of and coupling to an electric quadrupole moment of a single electron can be achieved by confining it in a triple quantum dot. Here, we show an experimental realization… CONTINUE READING
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