Quantum-process tomography: Resource analysis of different strategies

M. Mohseni, A. T. Rezakhani, and D. A. Lidar Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, USA Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA Center for Quantum Information Science and Technology, and Departments of Chemistry and Physics, University of Southern California, Los Angeles, California 90089, USA Institute for Quantum Information Science, University of Calgary, Alberta, Canada T2N 1N4 Departments of Physics and Electrical Engineering, University of Southern California, Los Angeles, California 90089, USA Received 21 February 2007; published 13 March 2008