A high-power subterahertz surface wave oscillator with separated overmoded slow wave structures
Wang Guang-Qiang1, 2, Wang Jian-Guo1, 3, †, , Zeng Peng1, 2, Wang Dong-Yang1, 2, Li Shuang1, 2, 3
       

Electron distributions in phase space for integrated SWS and separated SWSs.