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Subwavelength Plasmonic Lattice Solitons in Arrays of Metallic Nanowires

Ye, F; Mihalache, D; Hu, B; Panoiu, NC; (2010) Subwavelength Plasmonic Lattice Solitons in Arrays of Metallic Nanowires. PHYS REV LETT , 104 (10) , Article 106802. 10.1103/PhysRevLett.104.106802. Green open access

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Abstract

We predict theoretically that stable subwavelength plasmonic lattice solitons (PLSs) are formed in arrays of metallic nanowires embedded in a nonlinear medium. The tight confinement of the guiding modes of the metallic nanowires, combined with the strong nonlinearity induced by the enhanced field at the metal surface, provide the main physical mechanisms for balancing the wave diffraction and the formation of PLSs. As the conditions required for the formation of PLSs are satisfied in a variety of plasmonic systems, we expect these nonlinear modes to have important applications to subwavelength nanophotonics. In particular, we show that the subwavelength PLSs can be used to optically manipulate with nanometer accuracy the power flow in ultracompact photonic systems.

Type: Article
Title: Subwavelength Plasmonic Lattice Solitons in Arrays of Metallic Nanowires
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.104.106802
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.104.106802
Language: English
Additional information: � 2010 The American Physical Society
Keywords: CARBON NANOTUBES, WAVE-GUIDES, OPTICS
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/142305
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