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Talbot Effect in Three Waveguide Arrays |
| LI Zhi, ZHOU Hai-Feng, YANG Jian-Yi, JIANG Xiao-Qing |
| Department of Information Science and Electronics Engineering, Zhejiang University, Hangzhou 310027 |
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| Cite this article: |
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LI Zhi, ZHOU Hai-Feng, YANG Jian-Yi et al 2008 Chin. Phys. Lett. 25 3307-3310 |
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Abstract
By taking the coupling between the non-neighbourhood waveguides into account, the coupling characteristic of three waveguide arrays is analysed. The strong coupling equation of three waveguides is dealt with Laplace transform and LU decomposition. The general field evolution equation is obtained by inversion of the Laplace transform. The results show that the self-imaging conditions (Talbot effect) do not satisfy in general. The theoretical predictions are in good agreement with the BPM simulations.
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| Keywords:
42.82.Et
42.79.Gn
42.82.-m
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Received: 04 June 2008
Published: 29 August 2008
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| PACS: |
42.82.Et
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(Waveguides, couplers, and arrays)
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42.79.Gn
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(Optical waveguides and couplers)
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42.82.-m
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(Integrated optics)
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