Nature Communications (Jul 2019)

Quantum tomography of electrical currents

  • R. Bisognin,
  • A. Marguerite,
  • B. Roussel,
  • M. Kumar,
  • C. Cabart,
  • C. Chapdelaine,
  • A. Mohammad-Djafari,
  • J.-M. Berroir,
  • E. Bocquillon,
  • B. Plaçais,
  • A. Cavanna,
  • U. Gennser,
  • Y. Jin,
  • P. Degiovanni,
  • G. Fève

DOI
https://doi.org/10.1038/s41467-019-11369-5
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 12

Abstract

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Elementary excitations of electronic devices have potential use in quantum information but control and readout capabilities are not as developed as they are for more mature systems such as photonic qubits. Here the authors develop and demonstrate a tomographic protocol for electron and hole wavefunctions.