Electromagnetically induced grating in a thermal N-type four-level atomic system
Dong Ya-Bin †, Li Jun-Yan, Zhou Zhi-Ying
       

(color online) First-order diffraction intensity as a function of and with different T: (a) T = 0 K; (b) T = 100 K; (c) T = 300 K; (d) T = 400 K. Other parameters are the same as those in Fig. 2.