Linear and nonlinear characteristics of time-resolved photoluminescence modulation by terahertz pulse
Gong Jiao-Li1, 2, Liu Jin-Song1, †, Zhang Man1, Chu Zheng1, Yang Zhen-Gang1, Wang Ke-Jia1, Yao Jian-Quan1
       

(color online) Variations of peak of Q changes with THz fields in different DC fields at (a) t = 150 fs and (b) t = 300 fs. Three valley occupancies varying with THz field at DC field , and (c) t = 150 fs and (d) t = 300f s, respectively.