Supported by the National Natural Science Foundation of China under Grant Nos 11104185,11174084,10934011 and 61378060;the National Basic Research Program of China under Grant No 2012CB921904;the Innovation Program of Shanghai Municipal Education Commission under Grant No 11YZ118;the Shanghai Dawn Project of Shanghai Education Commission under Grant No11SG44;the Hujiang Foundation of China under Grant No B14004
According to density matrix equations of the interaction between light and matter, the expression for the suscep- tibility of the Eu^3+ :Y2SiO5 crystal is obtained. When the control field is a Gaussian beam, we inve...