| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Non-Paraxial Split-Step Semi-Vectorial Finite-Difference Method for Three-Dimensional Wide-Angle Beam Propagation |
CHENG Hua, ZANG Wei-Ping, ZHAO Zi-Yu, LI Zu-Bin, ZHOU Wen-Yuan, TIAN
Jian-Guo |
| Key Laboratory of Weak Light Nonlinear Photonics (Ministry of Education), Teda Applied Physics School, Nankai University, Tianjin 300457 |
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| Cite this article: |
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CHENG Hua, ZANG Wei-Ping, ZHAO Zi-Yu et al 2010 Chin. Phys. Lett. 27 014201 |
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Abstract A wide-angle, split-step finite-difference method with the classical local one-dimensional scheme is presented to analyze the 3-D semi-vectorial wave equation. The method requires only matrix multiplication for beam propagation. To validate the effectiveness, numerical results for the eigen-mode propagation in tilted step-index channel waveguides are studied, and results show that the method has high accuracy and numerical efficiency.
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| Keywords:
42.25.Bs
42.82.Et
02.70.Bf
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Received: 10 June 2009
Published: 30 December 2009
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| PACS: |
42.25.Bs
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(Wave propagation, transmission and absorption)
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42.82.Et
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(Waveguides, couplers, and arrays)
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02.70.Bf
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(Finite-difference methods)
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