Bragg reflection waveguide as a source of wavelength-multiplexed polarization-entangled photon pairs

We put forward a new highly efficient source of paired photons entangled in polarization with an ultra-large bandwidth. The photons are generated by means of a conveniently designed spontaneous parametric down-conversion process in a semiconductor type-II Bragg reflection waveguide. The proposed sch...

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Bibliographic Details
Published in:Optics express 2012-07, Vol.20 (14), p.15015-15023
Main Authors: Svozilík, Jiří, Hendrych, Martin, Torres, Juan P
Format: Article
Language:English
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Summary:We put forward a new highly efficient source of paired photons entangled in polarization with an ultra-large bandwidth. The photons are generated by means of a conveniently designed spontaneous parametric down-conversion process in a semiconductor type-II Bragg reflection waveguide. The proposed scheme aims at being a key element of an integrated source of polarization-entangled photon pairs highly suitable for its use in a multi-user quantum-key-distribution system.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.015015