Localized Single-Photon Wave Functions in Free Space

K. W. Chan, C. K. Law, and J. H. Eberly
Phys. Rev. Lett. 88, 100402 – Published 26 February 2002
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Abstract

We solve the joint open problems of photon localization and single-photon wave functions in the context of spontaneous emission from an excited atom in free space. Our wave functions are well-defined members of a discrete orthonormal function set. Both the degree and shape of the localization are controlled by entanglement mapping onto the atom wave function, even though the atom is remote from the photon.

  • Received 22 August 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.100402

©2002 American Physical Society

Authors & Affiliations

K. W. Chan1, C. K. Law1,2, and J. H. Eberly1

  • 1Center for Quantum Information and Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627
  • 2Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, China

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Vol. 88, Iss. 10 — 11 March 2002

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