Title :
Wave propagation in a sub-wavelength waveguide array: Superluminal lattice solitons and bands’ cutoff
Author :
Peleg, O. ; Segev, M. ; Bartal, G. ; Christodoulides, D.N. ; Moiseyev, N.
Author_Institution :
Technion, Haifa
Abstract :
We present the formulation of wave propagation in arrays of subwavelength waveguides with sharp index contrasts. We demonstrate the collapse of the bands into evanescent modes, and propagation of lattice solitons with superluminal phase velocity.
Keywords :
optical arrays; optical lattices; optical solitons; optical waveguides; refractive index; evanescent modes; refractive index contrasts; sub-wavelength waveguide array; superluminal lattice solitons propagation; superluminal phase velocity; wave propagation; Eigenvalues and eigenfunctions; Lattices; Nonlinear optics; Optical propagation; Optical refraction; Optical solitons; Optical surface waves; Optical variables control; Optical waveguides; Refractive index; (190.3270) Kerr effect; (310.6628) Subwavelength structures, nanostructures; (999.9999) Photonic crystals;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
