Universal fast flux control of a coherent, low-frequency qubit

25 Feb 2020 Zhang Helin Chakram Srivatsan Roy Tanay Earnest Nathan Lu Yao Huang Ziwen Weiss Daniel Koch Jens Schuster David I.

The \textit{heavy-fluxonium} circuit is a promising building block for superconducting quantum processors due to its long relaxation and dephasing time at the half-flux frustration point. However, the suppressed charge matrix elements and low transition frequency have made it challenging to perform fast single-qubit gates using standard protocols... (read more)

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Categories


  • QUANTUM PHYSICS
  • MESOSCALE AND NANOSCALE PHYSICS
  • SUPERCONDUCTIVITY