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 L: (a) L = 45; (b) L = 300; (c) L = 920; (d) L = 1500. Here, , , , T = 0 K. Other parameters are the same as those in Fig. 2.