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Color Centers in Diamond as Practical Single-Photon Source to Illustrate Quantum Complementarity

Published online by Cambridge University Press:  01 February 2011

Vincent Jacques
Affiliation:
ENS Cachan, LPQM, 61 avenue du Président Wilson, Cachan, 94235, France
Steven Regnnie
Affiliation:
steven.regnie@lpqm.ens-cachan.fr, ENS Cachan, LPQM, 61 avenue du Président Wilson, Cachan, 94235, France
Dominique Chauvat
Affiliation:
dominique.chauvat@lpqm.ens-cachan.fr, ENS Cachan, LPQM, 61 avenue du Président Wilson, Cachan, 94235, France
Jean-François Roch
Affiliation:
roch@physique.ens-cachan.fr, ENS Cachan, LPQM, 61 avenue du Président Wilson, Cachan, 94235, France
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Abstract

A recent experiment performed by S. S. Afshar [reviewed in M. Chown, New Scientist183, 30 (2004)] has been interpreted as a possible violation of the complementarity principle of quantum mechanics. Starting from a single-photon wavefront-splitting interference experiment, we propose a new scheme for Afshar's experiment, and we show that Afshar's interpretation is incorrect. Furthermore, this design is well suited to illustrate the complementarity inequality in the interesting intermediate regimes with partial fringe visibility and partial which-path information.

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Type
Research Article
Copyright
Copyright © Materials Research Society 2007

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