二维异质结光子晶体弯曲波导的传输特性研究  

Study on Transmission Characteristics of Curved Waveguides Based on 2D Heterostructure Photonic Crystals

作　　者：刘璟[1] 陈朝阳[1] 杨光松[1] 杜勇[1] 

机构地区：[1]集美大学信息工程学院,厦门361021

出　　处：《人工晶体学报》2009年第6期1416-1419,共4页Journal of Synthetic Crystals

基　　金：福建省教育厅科技项目(JA08143);厦门市科技局资助项目(3502Z20093021)

摘　　要：应用时域有限差分（FDTD）方法，通过数值模拟研究光在二维异质结光子晶体L型弯曲波导的传输特性。结果表明：在异质结光子晶体波导中能更好地对光进行控制；并且异质结光子晶体L型弯曲波导的传输效率较同质结光子晶体波导提高了6％～7％。计算结果为高度集成化的光子晶体波导器件，提供了一条新的设计思路和依据。The transmission characteristics of L-type waveguides system based on 2D heterostructure photonic crystals was studied by finite-difference time-domain （FDTD） method. The results showed that it is better for controlling light transmission by introducing heterostructure in this system. In the L-type waveguide system, the transmission efficiency raises 6%-7% for the heterostructure photonic crystal, compared to that on homostructure photonic crystal. The studies provided a new design solution improving the efficiency of high-integration photonic crystals waveguide devices.

关 键 词：导波光学 光子晶体波导 时域有限差分法 异质结 传输特性 

分 类 号：O734[理学—晶体学]