Self-trapping and stable localized modes in nonlinear photonic crystals
S. F. Mingaleev and Yu. S. Kivshar,
Phys. Rev. Lett. 86, 5474-5477 (2001).
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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.
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