Optimal estimation of quantum processes using incomplete information: variational quantum process tomography

  • Authors:

  • Thiago O. Maciel;Reinaldo O. Vianna

  • Affiliations:

  • Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil;Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2012

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Abstract

We develop a quantum process tomography method, which variationally reconstruct the map of a process, using noisy and incomplete information about the dynamics. The new method encompasses the most common quantum process tomography schemes. It is based on the variational quantum tomography method (VQT) proposed by Maciel et al. in arXiv:1001.1793[quant-ph] [1].