Research progress of femtosecond surface plasmon polariton

Wang Yulong¹, Zhao Bo², Min Changjun^{1, †}, Zhang Yuquan¹, Yang Jianjun², Guo Chunlei², Yuan Xiaocong^{1, ‡}

SPP excitation configurations: (a) Kretschmann geometry, (b) two-layer Kretschmann geometry, (c) Otto geometry, (d) excitation with a metal tip, (e) diffraction on a grating, (f) diffraction on surface features.^[15]