English

Random nonlinear layered structures as sources of photon pairs for quantum-information processing

Quantum Physics 2009-12-08 v1

Abstract

Random nonlinear layered structures have been found to be a useful source of photon pairs with perfectly indistinguishable un-entangled photons emitted into a very narrow spectral range. Localization of the interacting optical fields typical for random structures gives relatively high photon-pair fluxes. Superposing photon-pair emission quantum paths at different emission angles, several kinds of two-photon states (including states with coincident frequencies) useful in quantum-information processing can easily be generated.

Keywords

Cite

@article{arxiv.0907.4338,
  title  = {Random nonlinear layered structures as sources of photon pairs for quantum-information processing},
  author = {Jan Perina and Marco Centini and Concita Sibilia and Mario Bertolotti},
  journal= {arXiv preprint arXiv:0907.4338},
  year   = {2009}
}

Comments

4 pages, 5 figures

R2 v1 2026-06-21T13:28:47.799Z