Abstract
The exact electric polarization operator of the Maxwell–Bloch equations for a three-level Λ-type system is derived without assuming equality of the transition dipole moments. Numerical solution of the resulting solitary wave equations yields a richer spectrum than found earlier for identical dipole moments [ Hioe and Grobe, Phys. Rev. Lett. 73, 2559 (1994) ]. The two components of the new solitary waves each have a zero-pulse area and take the form of modulated oscillations.
© 2008 Optical Society of America
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