Shi Zhe, Liao Qinghua. An energy-output-ratio adjustable coupling power splitter for photonic crystal waveguides. [J]. (3):43-44(2009) DOI: 10.13756/j.gtxyj.2009.03.001.
An energy-output-ratio adjustable coupling power splitter for photonic crystal waveguides
A directional coupling power splitter is formed when three parallel monomode waveguides are introduced in perfect triangle photonic crystals.When the refractive indexes of the dielectric columns between the waveguides in the coupling zone are asymmetrically changed
the output energy ratio at the energy output ports will be altered.FDTD-based numerical simulation results indicate that when the refractive index is changed in small amounts
the splitter will have a higher energy transmission ratio and the output energy ratio can be adjusted in a certain range.
关键词
光子晶体定向耦合分束器能量输出比
Keywords
photonic crystaldirectional coupling power splitterenergy output ratio