Field localization and enhancement near the Dirac point of a finite defectless photonic crystal

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dc.contributor.authorD’Aguanno, Giuseppe
dc.contributor.authorMattiucci, Nadia
dc.contributor.authorConti, Claudio
dc.contributor.authorBloemer, Mark J.
dc.date.accessioned2020-05-22T19:11:13Z
dc.date.available2020-05-22T19:11:13Z
dc.date.issued2013-02-26
dc.description.abstractWe use a rigorous electromagnetic approach to show the existence of strongly localized modes in the stop band of a linear, two-dimensional, finite photonic crystal near its Dirac point. At normal incidence, the crystal exhibits a Dirac point with 100% transmission. At angles slightly off the normal, where the crystal is 100% reflective, instead of exponentially decaying fields as in a photonic stop band, the field becomes strongly localized and enhanced inside the crystal. We explain that this anomalous localization is due to guided mode resonances that are the foundation of the Dirac point itself and also shape its adjacent band gap. Besides shedding new light on the physical origin of Dirac points in finite photonic crystals, our results could have applications in many nonlinear light-matter interaction phenomena in which it is crucial to achieve a high degree of light localization.en_US
dc.description.sponsorshipWe acknowledge financial support from DARPA SBIR project W31P4Q-11-C-0109, ARO STTR project W31P4Q11-C-0098, and ERC grant number 201766.en_US
dc.description.urihttps://journals.aps.org/prb/abstract/10.1103/PhysRevB.87.085135en_US
dc.description.urihttps://journals-aps-org.proxy-bc.researchport.umd.edu/prb/supplemental/10.1103/PhysRevB.87.085135/TemporalEvolution.wmv
dc.description.urihttps://journals-aps-org.proxy-bc.researchport.umd.edu/prb/supplemental/10.1103/PhysRevB.87.085135/StopBandModes.wmv
dc.format.extent6 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2mqhl-l4uu
dc.identifier.citationD’Aguanno, Giuseppe; et al.; Field localization and enhancement near the Dirac point of a finite defectless photonic crystal; Physical Review B 87, 085135 (2013); https://journals.aps.org/prb/abstract/10.1103/PhysRevB.87.085135en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.87.085135
dc.identifier.urihttp://hdl.handle.net/11603/18735
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Computer Science and Electrical Engineering Department Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleField localization and enhancement near the Dirac point of a finite defectless photonic crystalen_US
dc.typeTexten_US

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