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Nonlinear switching of low-index defect modes in photonic lattices
dc.contributor.author | Ye, F |
dc.contributor.author | Kartashov, Yaroslav V. |
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 | 2017-06-16T12:09:04Z |
dc.date.issued | 2008-08 |
dc.identifier.citation | Ye, F., Kartashov, Y.V., Vysloukh, V.A., Torner, L. Nonlinear switching of low-index defect modes in photonic lattices. "Physical review A", Agost 2008, vol. 78, núm. 1, p. 13847. |
dc.identifier.issn | 1050-2947 |
dc.identifier.uri | http://hdl.handle.net/2117/105533 |
dc.description.abstract | We address nonlinear signal switching between two low-index defect channels induced in periodic optical lattices. In contrast to conventional directional couplers, where the guiding mechanism is total internal reflection or refraction, in such a Bragg-type coupler, the guidance is of a photonic–band-gap origin. The coupling length in the low-index coupler is controlled by the lattice parameters and by the channel spacing. In the nonlinear regime the Bragg-type coupler behaves as an all-optical switch, exhibiting a remarkable difference of switching power for focusing versus defocusing nonlinearity. |
dc.format.extent | 1 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica |
dc.subject.lcsh | Photonics |
dc.subject.lcsh | Optical communications |
dc.title | Nonlinear switching of low-index defect modes in photonic lattices |
dc.type | Article |
dc.subject.lemac | Fotònica |
dc.subject.lemac | Comunicacions òptiques |
dc.contributor.group | Universitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica |
dc.identifier.doi | 10.1103/PhysRevA.78.013847 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.78.013847 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 1662252 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Ye, F.; Kartashov, Y.V.; Vysloukh, V.A.; Torner, L. |
local.citation.publicationName | Physical review A |
local.citation.volume | 78 |
local.citation.number | 1 |
local.citation.startingPage | 13847 |
local.citation.endingPage | 13847 |
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