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Optica Publishing Group
  • Optical Fiber Communication Conference and International Conference on Quantum Information
  • 2001 OSA Technical Digest Series (Optica Publishing Group, 2001),
  • paper PB34

Maximum-likelihood estimation of quantum processes

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Abstract

Maximum-likelihood estimation is applied to identification of an unknown quantum mechanical process. In contrast to linear reconstruction schemes the proposed approach always yields physically sensible results. Its feasibility is demonstrated by means of Monte Carlo simulations for the two-level system (single qubit).

© 2001 Optical Society of America

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