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http://dx.doi.org/10.3807/KJOP.2004.15.6.555

Improvement of 3-Dimensional Finite-Difference Beam Propagation Method by Combining the Implicit and the Explicit methods  

Kim, Hyun-Jun (Integrated Photonics Technology Research Center, School of Information and Communication, INHA Univ.)
O, Beom-Hoan (Integrated Photonics Technology Research Center, School of Information and Communication, INHA Univ.)
Park, Se-Geun (Integrated Photonics Technology Research Center, School of Information and Communication, INHA Univ.)
Lee, El-Hang (Integrated Photonics Technology Research Center, School of Information and Communication, INHA Univ.)
Lee, Seung-Gol (Integrated Photonics Technology Research Center, School of Information and Communication, INHA Univ.)
Publication Information
Korean Journal of Optics and Photonics / v.15, no.6, 2004 , pp. 555-562 More about this Journal
Abstract
We propose a hybrid method combining the implicit with the explicit methods in order to reduce the calculation time and improve the convergence problem of the 3-dimensional finite-difference beam propagation method. The numerical simulation of a directional coupler is carried out by the proposed method. It is found from the simulation results that the calculation speed of our method is 10 times faster than that of direct solving techniques.
Keywords
Guided waves; Integrated optics devices; Beam propagation method; directional coupler;
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