In this paper, we study the formation of optical bistability (OB) and optical multistability (OM)
in a degenerate four-level atomic system by an external magnetic field that is excited by a …

The magnitude and sign of self-Kerr nonlinear coefficient in a degenerate two-level
inhomogeneously broadened medium are simply controlled by an external magnetic field …

We have theoretically studied the multi-window electromagnetically induced transparency
(EIT) and the related dispersive signals in multi-level V-type systems which are formed by …

Optical properties including absorption, dispersion, group index, Kerr nonlinearity, and
optical bistability of a three-level V-type atomic medium have modified by varying an …

The analytical expression for the group index in a degenerated three-level lambda-type
atomic system is derived as a function of the parameters of laser fields and external …