Nature Communications (Feb 2018)

A CNOT gate between multiphoton qubits encoded in two cavities

  • S. Rosenblum,
  • Y. Y. Gao,
  • P. Reinhold,
  • C. Wang,
  • C. J. Axline,
  • L. Frunzio,
  • S. M. Girvin,
  • Liang Jiang,
  • M. Mirrahimi,
  • M. H. Devoret,
  • R. J. Schoelkopf

DOI
https://doi.org/10.1038/s41467-018-03059-5
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 6

Abstract

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Quantum computing platforms allowing quantum error correction usually rely on complex redundant encoding within multiple two-level systems. Here, instead, the authors realize a CNOT gate between two qubits encoded in the multiphoton states of two microwave cavities nonlinearly coupled by a transmon.