Fig. 1. Schematic of THz emission setup with a transmission configuration （400 nm beam）

Fig. 2. Optical image of layered MoSe₂

Fig. 3. Schematic of THz emission of layered MoSe₂

Fig. 4. THz emission spectroscopy of layered MoSe₂

Fig. 5. THz radiation characteristics of layered MoSe₂ under different pump fluence

Fig. 6. Angle dependence of THz peak-to-peak value