Two-dimensional subwavelength plasmonic lattice solitons

F. Ye, D. Mihalache, B. Hu, and N. C. Panoiu Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China ”Horia Hulubei”National Institute for Physics and Nuclear Engineering, Department of Theoretical Physics, 407 Atomistilor, Magurele-Bucharest, 077125, Romania Department of Physics, University of Houston, Houston, Texas 77204-5005, USA Department of Electronic and Electrical Engineering, University College London, Torrington Place, London WC1E 7JE, UK Centre for Nonlinear Studies, and The Beijing-Hong Kong-Singapore Joint Centre for Nonlinear and Complex Systems (Hong Kong), Hong Kong Baptist University, Kowloon Tong, Hong Kong, China