Analysis of transmission property in 2D photonic crystal waveguide coupler

作者：Han Lihong^*; Yu Zhongyuan; Liu Yumin; Lu Pengfei

来源：Acta Optica Sinica, 2009, 29(SUPPL.): 144-147.

DOI：10.3788/AOS200929S1.144

• 2-D photonic crystals
• Coupling length
• Coupling ratio
• Coupling ratios
• Demultiplexers
• Dielectric cylinder
• Full-vector finite element
• Photonic crystal waveguide
• Simulation result
• Square lattices
• Structure parameter
• Transmission property
• Vector finite element

The full-vector finite element method is applied to investigate the property of a photonic crystal waveguide coupler consisting of a square lattice of dielectric cylinders in air. The coupling ratio with different coupling lengths, wavelengths and refractive indexes are given. The simulation results show that the photonic crystal waveguide coupler (PCWC) can be widely used as switches, multiplexers and demultiplexers by changing certain structure parameters and coupling ratio.

• 出版日期2009
• 单位北京大学