Research progress of femtosecond surface plasmon polariton
Wang Yulong1, Zhao Bo2, Min Changjun1, †, Zhang Yuquan1, Yang Jianjun2, Guo Chunlei2, Yuan Xiaocong1, ‡
       

(a) Fabricating 1D subwavelength periodic ripple structures on tungsten surface by femtosecond SPP with different wavelengths.[88] (b) Controlling the orientation of the 1D subwavelength periodic ripple structures on copper surface by changing the wave vector direction of femtosecond SPP.[89] (c) Fabricating the 2D subwavelength periodic structures on silicon surface by femtosecond SPP with optical vector field.[90]