Abstract
The dynamics of an ultrashort optical pulse in an order-disorder ferroelectric in the presence of a lattice of defects is considered within the microscopic pseudospin formalism in the unidirectional propagation approximation, without limitations on the pulse power. The effective equations for the electric field amplitude and ferroelectric polarization are obtained and numerically solved. Quasi-soliton modes of ultrashort optical pulse propagation in a system with regular defects are revealed and the dependences on the microscopic Hamiltonian parameters are analyzed. The effect of the parameters of defects of different types on the pulse propagation is revealed.
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Original Russian Text © M.B. Belonenko, 2009, published in Optika i Spektroskopiya, 2009, Vol. 106, No. 5, pp. 810–816.
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Belonenko, M.B. Ultrashort optical pulse in an order-disorder ferroelectric in the presence of a lattice of defects. Opt. Spectrosc. 106, 730–735 (2009). https://doi.org/10.1134/S0030400X0905018X
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DOI: https://doi.org/10.1134/S0030400X0905018X