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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 and gold open access

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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.

Title:Subwavelength Plasmonic Lattice Solitons in Arrays of Metallic Nanowires
Open access status:An open access publication. A version is also available from UCL Discovery.
Publisher version:http://dx.doi.org/10.1103/PhysRevLett.104.106802
Additional information: 2010 The American Physical Society
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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