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dc.contributor.authorEkici, Cagin
dc.contributor.authorDinleyici, Mehmet Salih
dc.date.accessioned2021-02-12T18:47:25Z
dc.date.available2021-02-12T18:47:25Z
dc.date.issued2020
dc.identifier.issn1050-2947
dc.identifier.issn1094-1622
dc.identifier.urihttps://doi.org/10.1103/PhysRevA.102.013702
dc.identifier.urihttps://hdl.handle.net/11147/10178
dc.descriptionEKICI, Cagin/0000-0001-6757-6213en_US
dc.description.abstractWe present a study of spontaneously arisen spatially entangled photon pairs via intermodal four-wave mixing in a graded-index multimode optical fiber. Unique dispersive features of the fiber allow spectral indistinguishability of two different phase-matched processes, producing entangled pairs of spatial qubits. The bases are realized as superpositions of orthogonal transverse fiber modes having opposite parities. In particular, we take into consideration the spectral properties of the processes by examining their joint spectral amplitudes. It is shown that illuminating graded-index optical fiber with different pump wavelengths has an impact upon efficiency parameters accordingly the degree of spatial entanglement and gives rise to photon pairs with various spectral purities. Photons with higher spectral purity enable desired single-photon based interactions to take place, whereas photons with lower spectral purity exhibit hybrid entanglement in frequency and transverse mode. We also discuss Wigner function formalism and parity-displacement-based realization to characterize spatial properties of the states, as well as to verify quantum entanglement through a violation of Clauser-Horne-Shimony-Holt inequality.en_US
dc.language.isoengen_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.isversionof10.1103/PhysRevA.102.013702en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleGraded-index optical fiber transverse-spatial-mode entanglementen_US
dc.typearticleen_US
dc.typearticleen_US
dc.relation.journalPhysical Review Aen_US
dc.contributor.departmentIzmir Isntitute of Technologyen_US
dc.identifier.volume102en_US
dc.identifier.issue1en_US
dc.identifier.wosWOS:000548284200023
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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