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Propagation and survival of frequency-bin entangled photons in metallic nanostructures

par Olislager, Laurent ;Kubo, Wakana;Tanaka, Takuo;Ungureanu, Simona;Vallée, Renaud A. L.;Kolaric, Branko;Emplit, Philippe ;Massar, Serge
Référence Nanophotonics, 4, 1, page (324-331)
Publication Publié, 2015-05-02

Article révisé par les pairs

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Résumé :

We report on the design of two plasmonic nanostructures and the propagation of frequency-bin entangled photons through them. The experimental findings clearly show the robustness of frequency-bin entanglement, which survives after interactions with both a hybrid plasmo-photonic structure, and a nano-pillar array. These results confirm that quantum states can be encoded into the collective motion of a many-body electronic system without demolishing their quantum nature, and pave the way towards applications of plasmonic structures in quantum information.