Modes excitation in five-mode photonic crystal waveguides of triangular lattice
We study modes excitation with input field of different positions in five-mode photonic crystal waveguides of triangular lattice.The five-mode photonic crystal waveguides is formed by removing five rows rods in 2D photonic crystals of a triangular lattice of dielectric rods in air.The 0th mode,the 1st mode and the 2nd modes are selectively excited.The input field with different positions can excite different modes due to the field intensity distribution of modes.When the input field locates at the position of the zero field intensity of the waveguide mode,the mode can not be excited.The superposition of different modcs can leads to different field intensity distribution.The finite-difference time-domain method is used to obtain the excited field distributions.
Photonic crystal Photonic crystal waveguides Mode excitation
Xiaoyan Shi Wu Yang Hua Yang Xiuze Wang
College of Science, Information Engineering University of PLA, Zhengzhou 450001, China College of Science, Henan University of Technology, Zhengzhou 450001, China
国际会议
广州
英文
196-199
2012-11-16（万方平台首次上网日期，不代表论文的发表时间）