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Polarization entangled photon pair sources based on either type-II or type-0 PPLN waveguides emitting at telecom wavelengths are presented. Implementation of such sources, associated high-quality entanglement, as well as related potential for future quantum applications are shown.
In this paper we present the experimental results obtained on a new fully fibred polarization entangled photon-pair source at a telecom wavelength (1560 nm). Photon pairs are created using a type-0 interaction in a periodically poled lithium niobate waveguide, which has been shown to be the most efficient for non linear crystals [1]. Polarization entanglement is then generated using a polarization...
Pour realiser un IOPO, oscillateur parametrique optique integre, il faut disposer d'un bon substrat non lineaire sur lequel il est possible de realiser des guides presentant de faibles pertes a la propagation et permettant de satisfaire les conditions d'accord de phase. Dans cet article, je vais presenter les problemes rencontres, les solutions apportees et les resultats obtenus lorsque l'on cree...
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