Abstract
We theoretically propose and experimentally demonstrate a method for directly measuring the density matrix of an unknown quantum system in the basis of azimuthal angle. We apply our method for characterizing 7-dimensional pure and mixed superpositions of orbital-angular-momentum modes.
© 2015 Optical Society of America
PDF ArticleMore Like This
Giulio Foletto, Luca Calderaro, Daniele Dequal, Paolo Villoresi, and Giuseppe Vallone
F5A.34 Quantum Information and Measurement (QIM) 2019
Mehul Malik, Mohammad Mirhosseini, Martin P. J. Lavery, Jonathan Leach, Miles J. Padgett, and Robert W. Boyd
M6.16 Conference on Coherence and Quantum Optics (CQO) 2013
G. S. Thekkadath, L. Giner, Y. Chalich, M. J. Horton, J. Banker, and J. S. Lundeen
FF3C.7 Frontiers in Optics (FiO) 2016