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Asymmetric topological pumping in nonparaxial photonics

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dc.contributor.authorCheng, Qingqing
dc.contributor.authorWang, Huaiqiang
dc.contributor.authorKe, Yongguan
dc.contributor.authorChen, Tao
dc.contributor.authorYu, Ye
dc.contributor.authorKivshar, Yuri
dc.contributor.authorLee, Chaohong
dc.contributor.authorPan, Yiming
dc.date.accessioned2024-03-06T22:23:18Z
dc.date.available2024-03-06T22:23:18Z
dc.date.issued2022
dc.date.updated2022-10-16T07:27:02Z
dc.description.abstractTopological photonics was initially inspired by the quantum-optical analogy between the Schrödinger equation for an electron wavefunction and the paraxial equation for a light beam. Here, we reveal an unexpected phenomenon in topological pumping observed in arrays of nonparaxial optical waveguides where the quantum-optical analogy becomes invalid. We predict theoretically and demonstrate experimentally an asymmetric topological pumping when the injected field transfers from one side of the waveguide array to the other side whereas the reverse process is unexpectedly forbidden. Our finding could open an avenue for exploring topological photonics that enables nontrivial topological phenomena and designs in photonics driven by nonparaxiality.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn2041-1723en_AU
dc.identifier.urihttp://hdl.handle.net/1885/315779
dc.language.isoen_AUen_AU
dc.provenanceThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.en_AU
dc.publisherMacmillan Publishers Ltden_AU
dc.rights© The Author(s) 2022en_AU
dc.rights.licenseCreative Commons Attribution 4.0 International Licenseen_AU
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_AU
dc.sourceNature Communicationsen_AU
dc.titleAsymmetric topological pumping in nonparaxial photonicsen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage7en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationCheng, Qingqing, University of Shanghai for Science and Technologyen_AU
local.contributor.affiliationWang, Huaiqiang, Nanjing Universityen_AU
local.contributor.affiliationKe, Yongguan, Sun Yat-Sen Universityen_AU
local.contributor.affiliationChen, Tao, University of Shanghai for Science and Technologyen_AU
local.contributor.affiliationYu, Ye, University of Shanghai for Science and Technologyen_AU
local.contributor.affiliationKivshar, Yuri, College of Science, ANUen_AU
local.contributor.affiliationLee, Chaohong, Sun Yat-Sen Universityen_AU
local.contributor.affiliationPan, Yiming, Physics Department and Solid State Instituteen_AU
local.contributor.authoruidKivshar, Yuri, u9307695en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor510203 - Nonlinear optics and spectroscopyen_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationa383154xPUB24593en_AU
local.identifier.citationvolume13en_AU
local.identifier.doi10.1038/s41467-021-27773-9en_AU
local.identifier.scopusID2-s2.0-85122783685
local.publisher.urlhttps://www.nature.com/en_AU
local.type.statusPublished Versionen_AU

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