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The application of complex Pade approximants to reflection at optical waveguide facets

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3 Author(s)
H. El-Refaei ; Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, Ont., Canada ; I. Betty ; D. Yevick

We demonstrate that the numerical instabilities associated with the use of the standard real Pade approximation for the reflection operator can be avoided through either a complex Pade expression or a branch-cut rotation in the complex plane.

Published in:

IEEE Photonics Technology Letters  (Volume:12 ,  Issue: 2 )