Spatial interference between pairs of disjoint optical paths with a single chaotic source

We demonstrate a novel second-order spatial interference effect between two indistinguishable pairs of disjoint optical paths from a single chaotic source. Beside providing a deeper understanding of the physics of multi-photon interference and coherence, the effect enables retrieving information on...

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Bibliographic Details
Published in:Optics express 2017-03, Vol.25 (6), p.6589-6603
Main Authors: Cassano, Michele, D'angelo, Milena, Garuccio, Augusto, Peng, Tao, Shih, Yanhua, Tamma, Vincenzo
Format: Article
Language:English
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Summary:We demonstrate a novel second-order spatial interference effect between two indistinguishable pairs of disjoint optical paths from a single chaotic source. Beside providing a deeper understanding of the physics of multi-photon interference and coherence, the effect enables retrieving information on both the spatial structure and the relative position of two distant double-pinhole masks, in the absence of first order coherence. We also demonstrate the exploitation of the phenomenon for simulating quantum logic gates, including a controlled-NOT gate operation.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.25.006589