The Transactions of the Korean Institute of Electrical Engineers C (대한전기학회논문지:전기물성ㆍ응용부문C)

The Korean Institute of Electrical Engineers (대한전기학회)
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Analysis of Multiple Step-Index Waveguide by the WKB Approximation

WKB 근사를 이용한 다중 계단형 광도파로의 해석

  • 서정훈 (서울시립대 공대 전자공학과) ;
  • 이세호 (서울시립대 공대 전자공하과) ;
  • 이병권 (서울정수기능대학) ;
  • 김창민 (서울시립대 공대 전자전기공학부)
  • Published : 1999.02.01
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Abstract

The eigenvalue equations of multiple waveguides with step-index profile are derived by using the WKB theory. Phase changes unique to step-index discontinuity areintroduced when applying the WKB connection formula to turning points. The transfer matrix method is employed for the analysis of multiple structure and the derived eigenvalue equation are represented in the recursive form. The results by the WKB are compared with those by the FEM for a three-waveguide coupler.

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References

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