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Proceedings Paper

Generation of entangled photon pairs in periodically poled nonlinear crystals
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Paper Abstract

We describe properties of entangled photon pairs generated by spontaneous parametric down-conversion in periodically poled nonlinear crystals. These materials can serve as a useful bright source of photon pairs which properties can be tailored on demand. Especially photon pairs with broad spectra and sharp temporal features can be observed. Both uniform and chirped poling are considered. Spectral properties of the generated photons, photon fluxes, coincidence-count patterns in a Hong-Ou-Mandel interferometer, entropy of entanglement, as well as transverse profiles of intensities of the generated photon fields are discussed. Also the correlation area of two photons comprising a photon pair has been studied as it depends on parameters of periodical poling. Attention is also paid to structures with randomly distributed boundaries.

Paper Details

Date Published: 19 May 2009
PDF: 8 pages
Proc. SPIE 7354, Nonlinear Optics and Applications III, 73540N (19 May 2009); doi: 10.1117/12.820986
Show Author Affiliations
Jirí Svozilík, Joint Lab. of Optics of Palacký Univ. and Institute of Physics (Czech Republic)
Jan Perina, Joint Lab. of Optics of Palacký Univ. and Institute of Physics (Czech Republic)

Published in SPIE Proceedings Vol. 7354:
Nonlinear Optics and Applications III
Mario Bertolotti, Editor(s)

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