带有环形谐振器的T形光子晶体滤波器  

T-shaped photonic crystal filter with a ring resonator

作　　者：吴立恒[1] 王明红[1] 徐明星[1] 

机构地区：[1]聊城大学物理科学与信息工程学院,山东聊城252059

出　　处：《激光与红外》2011年第3期306-308,共3页Laser & Infrared

基　　金：国家自然科学基金项目(No.60871047)资助

摘　　要：提出了一种带有环形谐振器的T形光子晶体滤波器,利用时域有限差分法研究了滤波器传输特性,分析了光子晶体结构参数对其传输特性影响。结果表明:该结构具有可调性开关波长、传输率高及频带宽的特点,在光子晶体集成制作、光通信器件制作等方面具有潜在的应用价值。In this paper,a structure of T-shaped photonic crystal filter based on ring resonators is presented.We have investigated the transmission properties of the filter by using finite-difference time-domain method,and analyze the effects of photonic crystal structural parameters to its transmission properties.The results of analysis show that this structure has properties of tunable switch wavelength,high normalized transmission,and a large bandwidth.It has application value in the designs of photonic crystal integration and optical communication devices and so on.

关 键 词：光子晶体 环形谐振器 时域有限差分法 可调性开关波长 

分 类 号：TN713.91[电子电信—电路与系统]