The Role of Plasma Kinetic Processes during High Intense THz Pulses Generation Topics: High Intensity Lasers and High Field Phenomena; Light-matter Interaction; Nonlinear Optics and Photonics In Proceedings of the 8th International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 52-57, 2020 , Valletta, Malta