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Physical Review E

Evolution of the unidirectional electromagnetic pulses in an anisotropic two-level medium

Alexander A. Zabolotskii

Published Mar 5, 2008• 8 citations
Publisher

Abstract

We find a general integrable system of reduced Maxwell-Bloch equations describing the interaction of a two-component electromagnetic field with the dipole transition of a two-level medium. The anisotropy of the anisotropic dipole momentum of the transition as a permanent dipole momentum is taken into account. A solution of the model is found for a particular case by using the inverse scattering transform. The method is based on a solution of the Riemann-Hilbert problem taking into account the symmetry properties of the corresponding fundamental solutions.

DOI
10.1103/physreve.77.036603

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Comment on 'Evolution of the unidirectional electromagnetic pulses in an anisotropic two-level medium'

N. V. Ustinov

Recently, Zabolotskii [Phys. Rev. E 77, 036603 (2008)] presented the Lax pair for a version of the reduced Maxwell--Bloch equations. This version was derived under considering the unidirectional propagation of a two-component electromagnetic pulse through an anisotropic two-level medium. We demonstrate that his derivation contains essential omission, which led to the wrong version of the reduced Maxwell--Bloch equations. We also point out that the Lax pair for correct version of these equations had been known in the most general anisotropic case.

arXiv:0808.3963•Aug 28, 2008•0 citations

Coherent pulse interaction with two-level system embedded in a dispersive medium

Alexander A. Zabolotskii

We present an integrable generalization of the Maxwell-Bloch equations describing electromagnetic-field interaction with a two-level system implemented in a dispersive host medium. Two physical onsets of the model are presented. The technique of the inverse scattering transform for the two sets of physical parameters is used to find soliton solutions. It is found that the model possesses both singular and nonsingular soliton solutions. The application of the results for a lossless nonlinear dispersion management of solitons is discussed.

Physical Review A•Jun 25, 2012•7 citations
We find a general integrable system of reduced Maxwell-Bloch equations describing the interaction of a two-component electromagnetic field with the dipole transition of a two-level medium. The anisotropy of the anisotropic dipole momentum of the transition as a permanent dipole momentum is taken into account. A solution of the model is found for a particular case by using the inverse scattering transform. The method is based on a solution of the Riemann-Hilbert problem taking into account the symmetry properties of the corresponding fundamental solutions.
We develop a method of solution for recently found integrable system of the reduced Maxwell-Bloch equations with two components of polarization and with an anisotropic dipole momentum by using the appropriate modification of the inverse scattering transform. The method is based on solution of the Riemann-Hilbert problem with taking into account symmetry properties of corresponding fundamental solutions. We show that these symmetries lead to some particular forms of the inverse scattering transform equations which may be used for finding as soliton-type as radiation-type solutions.
Recently, Zabolotskii [Phys. Rev. E 77, 036603 (2008)] presented the Lax pair for a version of the reduced Maxwell--Bloch equations. This version was derived under considering the unidirectional propagation of a two-component electromagnetic pulse through an anisotropic two-level medium. We demonstrate that his derivation contains essential omission, which led to the wrong version of the reduced Maxwell--Bloch equations. We also point out that the Lax pair for correct version of these equations had been known in the most general anisotropic case.
We present an integrable generalization of the Maxwell-Bloch equations describing electromagnetic-field interaction with a two-level system implemented in a dispersive host medium. Two physical onsets of the model are presented. The technique of the inverse scattering transform for the two sets of physical parameters is used to find soliton solutions. It is found that the model possesses both singular and nonsingular soliton solutions. The application of the results for a lossless nonlinear dispersion management of solitons is discussed.