Continuous-variable entanglement in a two-mode four-level single-atom laser
Xin‐You Lü, Jibing Liu, Liu-Gang Si, Xiaoxue Yang · Journal of Physics B Atomic Molecular and Optical Physics · 2008
This paper investigate the generation and evolution of continuous-variable entanglement in a two-mode single-atom laser, where the atomic coherence is induced by two classical laser fields (pump and coupling field) driving the corresponding atom transitions. It is found that the intensity of the coupling field can influence effectively the entanglement period of the cavity field. More importantly, our numerical results also show that the intensity and period of entanglement between the two cavity modes as well as the total mean photon number of the cavity field can be increased synchronously by adjusting the corresponding frequency detuning.