June 11, 2001Physical Review Letters173 citationsOpen Access
Self-Trapping and Stable Localized Modes in Nonlinear Photonic Crystals
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Abstract
We predict the existence of stable nonlinear localized modes near the band edge of a two-dimensional reduced-symmetry photonic crystal with a Kerr nonlinearity. Employing the technique based on the Green function, we reveal a physical mechanism of the mode stabilization associated with the effective nonlinear dispersion and long-range interaction in the photonic crystals.