A Coherently Driven Superposed N Two Level Laser With Vacuum Reservoir

Abstract

The dynamics of a coherently driven two level laser with vacuum reservoir is analyzed. The combination of interaction Hamiltonian and Langevin equation is presented to study the quantum properties of light. By using these equations, we have determined the time evolution of the expectation values of the cavity mode and atomic operators. With aid of this results, the correlation properties of the noise operators and the large-time approximation scheme, we calculate the mean photon number, the quadrature variance and the power spectrum for the cavity light.