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

Year: 2017

Authors: Cassano M., D’Angelo M., Garuccio A., Peng T., Shih YH., Tamma V.

Autors Affiliation: Univ Bari, Dipartimento Interateneo Fis, I-70100 Bari, Italy; Ist Nazl Fis Nucl, Sez Bari, I-70100 Bari, Italy; CNR, INO, Via Carrara 1, I-50019 Florence, Italy; Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA; Texas A&M Univ, Inst Quantum Sci & Engn, College Stn, TX 77843 USA; Univ Ulm, Inst Quantenphys, D-89069 Ulm, Germany; Univ Ulm, Ctr Integrated Quantum Sci & Technol IQST, D-89069 Ulm, Germany; Univ Portsmouth, SEES, Fac Sci, Portsmouth PO1 3QL, Hants, England.

Abstract: 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. (C) 2017 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 25 (6)      Pages from: 6589  to: 6603

More Information: M.C. acknowledges a Ph.D. studentship from the University of Bari. M.C., M.D. and A.G acknowledge funding from P.O.N. RICERCA E COMPETITIVITA’ 2007-2013 – Avviso n. 713/Ric. del 29/10/2010, Titolo II – Sviluppo/Potenziamento di DAT e di LPP (project n. PON02-00576-3333585). V.T. acknowledges the support of the German Space Agency DLR with funds provided by the Federal Ministry of Economics and Technology (BMWi) under grant no. DLR 50 WM 1556
KeyWords: Quantum; Light; Simulation; Photons
DOI: 10.1364/OE.25.006589

Citations: 13
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