边带耦合光子晶体滤波器反射谱特性分析

张兴娇, 肖永江, 文如泉

张兴娇, 肖永江, 文如泉. 边带耦合光子晶体滤波器反射谱特性分析[J]. 应用光学, 2011, 32(6): 1130-1133.
引用本文: 张兴娇, 肖永江, 文如泉. 边带耦合光子晶体滤波器反射谱特性分析[J]. 应用光学, 2011, 32(6): 1130-1133.
ZHANG Xing-jiao, XIAO Yong-jiang, WEN Ru-quan. Characteristics of reflection spectrum of side-coupled photonic crystal filter[J]. Journal of Applied Optics, 2011, 32(6): 1130-1133.
Citation: ZHANG Xing-jiao, XIAO Yong-jiang, WEN Ru-quan. Characteristics of reflection spectrum of side-coupled photonic crystal filter[J]. Journal of Applied Optics, 2011, 32(6): 1130-1133.

边带耦合光子晶体滤波器反射谱特性分析

详细信息
    通讯作者:

    张兴娇(1986-),女,江西萍乡人,助教,主要从事光电子器件方面的研究工作。

  • 中图分类号: TN252

Characteristics of reflection spectrum of side-coupled photonic crystal filter

  • 摘要: 为研究边带耦合光子晶体滤波器的性质,利用耦合模理论(CMT)和传输矩阵方法(TMM)分析了谐振器腔体的周期,Q值和腔体的个数对滤波器反射谱的影响。仿真结果表明:相移为n/2,反射谱才具有对称性;Q值增加,反射峰带宽减小;N增大,反射峰带宽相应增大,旁瓣也随之出现。针对为实现增加带宽而出现的旁瓣增加的现象,采用了类似一维光子晶体滤波器的方法啁啾和级联技术实现了旁瓣的抑制。为设计具体光子晶体滤波器提供指导和依据。
    Abstract: To study the characteristics of side-coupled photonic crystal filter, the coupled mode theory (CMT) and the transfer matrix method (TMM) were used to analyze the dependence of the filter-s reflection spectrum on the period of resonator, the value Q, and the number of cavities. The simulation result showed that the reflection spectrum was symmetrical when the phase shift was n/2, the bandwidth of reflection spectrum peak decreased as Q increased, and the bandwidth of reflection spectrum peak increased and the side lobe occurred at the same time as N increased. To overcome the increasing side lobe due to the increase of bandwidth, the chirp and cascade technology similar to one-dimensional photonic crystal filter was used to achieve sidelobe suppression. This work can be used for the design of the photonic crystal filter.
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出版历程
  • 刊出日期:  2011-11-14

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