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dc.contributor.authorDocherty-Walthew, Graeme
dc.contributor.authorBallantine, Kyle
dc.contributor.authorMazilu, Michael
dc.identifier.citationDocherty-Walthew , G , Ballantine , K & Mazilu , M 2020 , ' Multiphoton propagation eigenmodes for sum-frequency generation ' , Optics Communications , vol. 466 , 125610 .
dc.identifier.otherPURE: 262481298
dc.identifier.otherPURE UUID: d15edec6-ae42-4436-b6e6-76c28fd72655
dc.identifier.otherORCID: /0000-0001-5432-7197/work/69835145
dc.identifier.otherScopus: 85080125038
dc.identifier.otherWOS: 000528945600006
dc.descriptionFunding: UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/M000869/1 (M.M.).en
dc.description.abstractIn linear optics, modes correspond to a set of fields that are mutually orthogonal, however, in the nonlinear regime the principle of linear superposition is no longer valid and consequently, the method of mode decomposition breaks down. This is the case when considering sum-frequency generation in a nonlinear crystal. Here, we use the non-depleting pump approximation to describe the nonlinear interaction with low-intensity multiphoton fields. We show that the description of multiphoton fields using the propagation eigenmodes simplifies the Fock state quantum behaviour of the system while remaining equivalent to the standard approach.
dc.relation.ispartofOptics Communicationsen
dc.rightsCopyright © 2020 Elsevier B.V. All rights reserved. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectQuantum-optical networksen
dc.subjectPerturbation approachen
dc.subjectSingle photonsen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.titleMultiphoton propagation eigenmodes for sum-frequency generationen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Centre for Biophotonicsen
dc.description.statusPeer revieweden

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