Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Design and Application of Microstrip Line Photonic Bandgap Structure with a Quarter-Wavelength Transformer for The Modified Characteristics of Stopband

변형된 저지특성을 갖도록 ${\lambda}g$/4 변환기를 정합 시킨 마이크로스트립 라인 포토닉 밴드갭 구조의 설계 및 응용

  • Kim, Tae-Il (Dept.of Electronics Engineering, Ajou University) ;
  • Jang, Mi-Yeong (Dept.of Molecular Science & Technology and School of Electronic Engineering,Ajou University) ;
  • Park, Ik-Mo (Dept.of Electronics Engineering, Ajou University) ;
  • Im, Han-Jo (Dept.of Molecular Science & Technology and School of Electronic Engineering,Ajou University)
  • 김태일 (아주대학교 전자공학부) ;
  • 장미영 (아주대학교 분자과학기술학과 및 전자공학부) ;
  • 박익모 (아주대학교 전자공학부) ;
  • 임한조 (아주대학교 분자과학기술학과 및 전자공학부)
  • Published : 2000.09.01
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Abstract

This paper presents the photonic bandgap structure that has a defect mode within a broad stopband. In order to create a broad stopband, we eliminated one of periodic stopbands of PBG structure by using a quarter-wavelength transformer and cascaded another PBG structure having a center frequency corresponding to the eliminated stopband. We have demonstrated that it is a simple and effective method that can solve an overlapping problem of periodic stopband in two cascaded PBG structures.

본 논문에서는 넓은 저지대역과, 저지대역내에 결함 모드를 포함할 수 있는 포토닉 밴드갭(PBG) 구조에 관하여 연구하였다. PBG 구조에서 λg/4 변환기를 이용하여 주기적인 저지대역 중에서 특정 저지대역을 제거할 수 있었으며, 제거된 저지대역의 중심주파수에 해당하는 주기를 가지는 일반적인 PBG 구조를 직렬로 연결함으로써 넓은 저지대역을 구현하였다. 이것은 저지대역의 겹침 문제를 효과적으로 해결한 것으로써 넓은 저지대역 안에서 결함 모드를 이용할 수 있게 되었으며, 넓은 저지대역내에서 다중 스위치의 구현을 가능하게 하였다.

Keywords

References

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