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VOLUME 85 | ISSUE 3 | PAGE 188 Optical echo in photonic crystals A. E. Antipov, A. N. Rubtsov Physical department, Moscow State University, 119992 Moscow, Russia PACS: 42.15.Eq, 42.25.Dd, 42.70.Qs Abstract The dynamics of photonic wavepacket in the effective oscillator potential is studied. The oscillator potential is constructed on a base of one dimensional photonic crystal with a period of unit cell adiabatically varied in space. The structure has a locally equidistant discrete spectrum. This leads to an echo effect, i.e. the periodical reconstruction of the packet shape. The effect can be observed in a nonlinear response of the system. Numerical estimations for porous-silicon based structures are presented for femtosecond Ti:Sapphire laser pump. Download PS file (GZipped, 364.5K)  |  Download PDF file (426.6K) Список работ, цитирующих данную статью, см. здесь. List of articles citing this article can be found here.