[1] Chai Chinlin,Li Fuli,Zhang Zhiming.Effect of atomic cooperation on emission spectra of atoms in a cavity.J.Phys.Lett.;A,1990,150;2:85～88

[2] Agarwal G S.Vacuum-field Rabi oscillation of atoms in a cavity.J.Opt.Soc.Am.;B,1985,2;3:480～485

[3] Meschede D,Walther H,Muller G.One-atom maser.Phys.Rev.Lett.,1985,54;6:551～554

[4] Thompson R J,Rempe G,Kimble H J.Observation of normal-mode splitting for an atom in an optical cavity.Phys.Rev.Lett.,1992,68;8:1132～1135

[5] Asharf M M.Emission spectra of a Λ-type quantum-beat three-level atom.Phys.Rev.;A,1994,50;1:741～746

[6] Gauthier D J,Wu Qilin,Morrin S E et al..Realization of a continuous-wave,two-photon optical laser.Phys.Rev.Lett.,1992,68;4:464～467

[7] Nasreen T,Razmi M S K.Atomic emission and cavity field spectra for a two-photon Jaynes-Cummings model in the presence of the Stark shift.J.Opt.Soc.Am.;B,1993,10;7:1292～1300

[8] Ashraf M M.Cavity field spectra of the nondegenerate two-photon Jaynes-Cummmings model.Phys.Rev.;A,1994,50;6:5116～5121

[11] Fan Hongyi.A generalized Jaynes-Cummings model for two collectively radiating atoms. Commun. Theor. Phys., 1989,11;4:509～513

[12] Eberly J H,Wodkiewicz K.Time-dependent spectrum of resonance fluorescence. J. Opc. Soc. Am., 1977, 67(9): 1252～1261