Abstract
The light propagation in optically induced photonic lattices near the bragg scattering angle was analyzed. The nonlinear Bloch-wave interaction and self-focusing in the spectrum gaps were also determined. The key patterns of the beam scattering and the self action were observed by the generic relation established between the Bloch-wave spectrum and the structure of diffracted waves. It was found that the bragg scattering of light reveal the key physical mechanisms which govern the nonlinear self-action of narrow beams under the combined effects of bragg scattering and wave diffraction.
Original language | English |
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Article number | 093901 |
Pages (from-to) | 093901-1-093901-4 |
Journal | Physical Review Letters |
Volume | 92 |
Issue number | 9 |
DOIs | |
Publication status | Published - 5 Mar 2004 |