[1] [1] Sun Jiang,Jiang Qian,Yu Zuhe,et al. Field-correlation effects in Rayleigy-type nondegenerate four wave mixing: suppression of thermal background. Optics Communications,2003,223(3): 187～194

[2] [2] Fu P M,Mi X,Yu Z H. Ultrafast modulation spectroscopy in a cascade three-level system. Phys Rev A,1995,52(6): 4867～4870

[3] [3] Ulness D J. On the role of classical field time correlations in noisy light spectroscopy: color locking and a spectral filter analogy. J Phys Chem A,2003,107 (40): 8111～8123

[4] [4] Georges A T. Resonance fluorescence in markovian stochastic fields Rhys Rev A,1980,21(6): 2034～2049