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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 10 — Oct. 1, 2006
  • pp: 3779–3788

Rigorous Analysis of the Coupling Between Two Nonparallel Optical Fibers

Ioannis D. Chremmos, Nikolaos K. Uzunoglu, and George Kakarantzas

Journal of Lightwave Technology, Vol. 24, Issue 10, pp. 3779-3788 (2006)


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Abstract

The rigorous electromagnetic analysis of the coupling between two nonparallel optical-fiber waveguides is developed for the first time. Green's theorem, involving the dyadic Green's function of the fiber guiding the incident mode, is used to formulate the electric-field integral equation inside the second fiber. By applying the entire-domain Galerkin technique and by utilizing the generalized addition theorem for cylindrical waves for nonparallel axis translation, which is derived by the authors, this equation is analytically transformed into a system of coupled integral equations for the spectral weights of the field on the basis of TE and TM cylindrical vector wave functions. The Neumann-series iterative procedure is adopted to solve this system and obtain analytical expressions for the field scattering coefficients, which are sufficiently accurate for weakly coupled fibers.

© 2006 IEEE

Citation
Ioannis D. Chremmos, Nikolaos K. Uzunoglu, and George Kakarantzas, "Rigorous Analysis of the Coupling Between Two Nonparallel Optical Fibers," J. Lightwave Technol. 24, 3779-3788 (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-10-3779


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