A high-power subterahertz surface wave oscillator with separated overmoded slow wave structures

Wang Guang-Qiang^{1, 2}, Wang Jian-Guo^{1, 3, †,}, Zeng Peng^{1, 2}, Wang Dong-Yang^{1, 2}, Li Shuang^{1, 2, 3}

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