한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

2 차원 광결정 선결함의 낮은 군속도

Small group velocity in two dimensional photonic crystal line defect

  • 이명래 (순천향대학교 자연과학대학 물리학과) ;
  • 홍진수 (순천향대학교 자연과학대학 물리학과) ;
  • 김경래 (순천향대학교 자연과학대학 물리학과) ;
  • 신원진 (순천향대학교 자연과학대학 물리학과)
  • Lee, Myotmg-Rae (Dept. of Physics, College of Natural Science, Soonchunhyang University) ;
  • Hong, Chin-Soo (Dept. of Physics, College of Natural Science, Soonchunhyang University) ;
  • Kim, Kyoung-Rae (Dept. of Physics, College of Natural Science, Soonchunhyang University) ;
  • Shin, Won-Chin (Dept. of Physics, College of Natural Science, Soonchunhyang University)
  • 발행 : 2009.04.24
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초록

Photonic crystal is a dielectric materials or a set of different dielectric materials with periodic structure of refractive index. Line defect obtained by leaving out a row of rod along the $\Gamma$-X direction. We showed the change of group velocity in waveguide mode and found a small group velocity. Characteristic of the small group velocity described by electric field distribution. As the phase variation, small group velocity confirmed from positive to negative.

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