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Experimental observation of evanescent modes at the interface to slow-light photonic crystal waveguides
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dc.contributor.author | Spasenovic, Marko | |
dc.contributor.author | White, Tom P | |
dc.contributor.author | Ha, Sangwoo | |
dc.contributor.author | Sukhorukov, Andrey A. | |
dc.contributor.author | Kampfrath, Tobias | |
dc.contributor.author | Kivshar, Yuri S. | |
dc.contributor.author | de Sterke, C. Martijn | |
dc.contributor.author | Krauss, Thomas Fraser | |
dc.contributor.author | Kuipers, L. (Kobus) | |
dc.date.accessioned | 2012-06-27T12:01:01Z | |
dc.date.available | 2012-06-27T12:01:01Z | |
dc.date.issued | 2011-04-01 | |
dc.identifier.citation | Spasenovic , M , White , T P , Ha , S , Sukhorukov , A A , Kampfrath , T , Kivshar , Y S , de Sterke , C M , Krauss , T F & Kuipers , L 2011 , ' Experimental observation of evanescent modes at the interface to slow-light photonic crystal waveguides ' , Optics Letters , vol. 36 , no. 7 , pp. 1170-1172 . https://doi.org/10.1364/OL.36.001170 | en |
dc.identifier.issn | 0146-9592 | |
dc.identifier.other | PURE: 23214288 | |
dc.identifier.other | PURE UUID: faafbda2-c906-45c9-ac11-e4e6fb9c440d | |
dc.identifier.other | WOS: 000289251000048 | |
dc.identifier.other | Scopus: 79956137289 | |
dc.identifier.uri | https://hdl.handle.net/10023/2851 | |
dc.description.abstract | We experimentally study the fields close to an interface between two photonic crystal waveguides that have different dispersion properties. After the transition from a waveguide in which the group velocity of light is v(g) similar to c/10 to a waveguide in which it is v(g) similar to c/100, we observe a gradual increase in the field intensity and the lateral spreading of the mode. We attribute this evolution to the existence of a weakly evanescent mode that exponentially decays away from the interface. We compare this to the situation where the transition between the waveguides only leads to a minor change in group velocity and show that, in that case, the evolution is absent. Furthermore, we apply novel numerical mode extraction techniques to confirm experimental results. (C) 2011 Optical Society of America | |
dc.format.extent | 3 | |
dc.language.iso | eng | |
dc.relation.ispartof | Optics Letters | en |
dc.rights | © 2011 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at http://www.opticsinfobase.org | en |
dc.subject | QC Physics | en |
dc.subject.lcc | QC | en |
dc.title | Experimental observation of evanescent modes at the interface to slow-light photonic crystal waveguides | en |
dc.type | Journal article | en |
dc.description.version | Publisher PDF | en |
dc.contributor.institution | University of St Andrews. School of Physics and Astronomy | en |
dc.identifier.doi | https://doi.org/10.1364/OL.36.001170 | |
dc.description.status | Peer reviewed | en |
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