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Resonant Bloch-wave beatings
dc.contributor.author | Kartashov, Yaroslav |
dc.contributor.author | Vysloukh, Victor A. |
dc.contributor.author | Torner Sabata, Lluís |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2014-11-10T17:55:42Z |
dc.date.created | 2014-07-01 |
dc.date.issued | 2014-07-01 |
dc.identifier.citation | Kartashov, Y.; Vysloukh, V.A.; Torner, L. Resonant Bloch-wave beatings. "Optics letters", 01 Juliol 2014, vol. 39, núm. 13, p. 3826-3829. |
dc.identifier.issn | 0146-9592 |
dc.identifier.uri | http://hdl.handle.net/2117/24655 |
dc.description.abstract | We introduce Bloch-wave beatings in arrays of multimode periodically bent waveguides with a transverse refractive index gradient. The new phenomenon manifests itself in the periodic drastic increase of the amplitude of the Bloch oscillations that accompanies resonant conversion of modes guided by the individual waveguides. The Bloch-wave beatings are found to be most pronounced when the length of the resonant mode conversion substantially exceeds the longitudinal period of the Bloch oscillations. The beating frequency decreases when the amplitude of waveguide bending decreases, while the beating amplitude is restricted by the amplitude of the Bloch oscillations that emerge from the second allowed band of the Floquet-Bloch lattice spectrum. |
dc.format.extent | 4 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Física::Física de l’estat sòlid |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica |
dc.subject.lcsh | Bloch constant |
dc.subject.lcsh | Solid state physics |
dc.subject.other | Mode conversion |
dc.subject.other | Guide arrays |
dc.subject.other | Oscillations |
dc.subject.other | Lattices |
dc.subject.other | Gratings |
dc.subject.other | Light |
dc.title | Resonant Bloch-wave beatings |
dc.type | Article |
dc.subject.lemac | Bloch, Constant de |
dc.subject.lemac | Física de l'estat sòlid |
dc.contributor.group | Universitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica |
dc.identifier.doi | 10.1364/OL.39.003826 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-39-13-3826 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 15112448 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Kartashov, Y.; Vysloukh, V.A.; Torner, L. |
local.citation.publicationName | Optics letters |
local.citation.volume | 39 |
local.citation.number | 13 |
local.citation.startingPage | 3826 |
local.citation.endingPage | 3829 |
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