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Beam-propagation analysis of optical fibres by alternating direction implicit method

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3 Author(s)
Yamauchi, J. ; Coll. of Eng., Hosei Univ., Tokyo, Japan ; Ando, T. ; Nakano, H.

The alternating direction implicit (ADI) method is applied to the analysis of three-dimensional optical fibre waveguides. It is numerically demonstrated that the ADI method offers higher computational efficiency and a larger propagation step length, as compared with the conventional beam-propagation method which uses fast Fourier transformation. The guided-mode transmission of coupled offset fibres is calculated using a transparent boundary condition.

Published in:

Electronics Letters  (Volume:27 ,  Issue: 18 )