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Article: Experimental demonstration of low-loss optical waveguiding at deep sub-wavelength scales

TitleExperimental demonstration of low-loss optical waveguiding at deep sub-wavelength scales
Authors
Issue Date2011
Citation
Nature Communications, 2011, v. 2, n. 1 How to Cite?
AbstractEmerging communication applications call for a road map towards nanoscale photonic components and systems. Although metal-based nanostructures theoretically offer a solution to enable nanoscale photonics, the key demonstration of optical modes with deep sub-diffraction-limited confinement and significant propagation distances has not been experimentally achieved because of the trade-off between optical confinement and metallic losses. Here we report the first experimental demonstration of truly nanoscale guided waves in a metal-insulator-semiconductor device featuring low-loss and broadband operation. Near-field scanning optical microscopy reveals mode sizes down to 50×60 nm2at visible and near-infrared wavelengths propagating more than 20 times the vacuum wavelength. Interference spectroscopy confirms that the optical mode hybridization between a surface plasmon and a dielectric mode concentrates the hybridized mode inside a nanometre thin gap. This nanoscale waveguide holds promise for next generation on-chip optical communication systems that integrate light sources, modulators or switches, nonlinear and quantum optics. © 2011 Macmillan Publishers Limited. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/257068

 

DC FieldValueLanguage
dc.contributor.authorSorger, Volker J.-
dc.contributor.authorYe, Ziliang-
dc.contributor.authorOulton, Rupert F.-
dc.contributor.authorWang, Yuan-
dc.contributor.authorBartal, Guy-
dc.contributor.authorYin, Xiaobo-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:58:44Z-
dc.date.available2018-07-24T08:58:44Z-
dc.date.issued2011-
dc.identifier.citationNature Communications, 2011, v. 2, n. 1-
dc.identifier.urihttp://hdl.handle.net/10722/257068-
dc.description.abstractEmerging communication applications call for a road map towards nanoscale photonic components and systems. Although metal-based nanostructures theoretically offer a solution to enable nanoscale photonics, the key demonstration of optical modes with deep sub-diffraction-limited confinement and significant propagation distances has not been experimentally achieved because of the trade-off between optical confinement and metallic losses. Here we report the first experimental demonstration of truly nanoscale guided waves in a metal-insulator-semiconductor device featuring low-loss and broadband operation. Near-field scanning optical microscopy reveals mode sizes down to 50×60 nm2at visible and near-infrared wavelengths propagating more than 20 times the vacuum wavelength. Interference spectroscopy confirms that the optical mode hybridization between a surface plasmon and a dielectric mode concentrates the hybridized mode inside a nanometre thin gap. This nanoscale waveguide holds promise for next generation on-chip optical communication systems that integrate light sources, modulators or switches, nonlinear and quantum optics. © 2011 Macmillan Publishers Limited. All rights reserved.-
dc.languageeng-
dc.relation.ispartofNature Communications-
dc.titleExperimental demonstration of low-loss optical waveguiding at deep sub-wavelength scales-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1038/ncomms1315-
dc.identifier.scopuseid_2-s2.0-79958760876-
dc.identifier.volume2-
dc.identifier.issue1-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.eissn2041-1723-

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