Roles of voltage in semi-insulating GaAs photoconductive semiconductor switch

Cui Hai-Juan^{1, †}, Yang Hong-Chun¹, Xu Jun¹, Yang Yu-Ming², Yang Zi-Xian¹

(color online) Variations of free-electron density with electric field for three measured PCSSs. The inset shows the free-electron density of sample 2 at low field.