The dynamics of a four-level three-mode system. Operator solution
Marc von Kozierowski, A.S. Shumovsky · Journal de physique · 1987
In the dipole and rotating wave approximation the operator solutions for the level populations and photon numbers are found. The numerical results for the time-evolution of the level populations for the case of initially coherent pumping modes 1 and 3 (mode 2 initially in vacuum) are reported and compared with those for a three-level atom in the ladder and lambda configurations.