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Simplified Analysis for Leaky Modes in Planar Optical Waveguides |
CAO Zhuang-qi;QIU Lin-lin;SHEN Qi-shun;DOU Xiao-ming;CHEN Ying-li
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Department of Applied Physics, Shanghai Jiaotong University, Shanghai 200030 |
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Cite this article: |
CAO Zhuang-qi, QIU Lin-lin, SHEN Qi-shun et al 1999 Chin. Phys. Lett. 16 413-414 |
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Abstract In combination with the transfer matrix method and the concept of an equivalent attenuated coefficient, a first-order perturbation theory is proposed to study the leaky modes in planar optical waveguides. Simplified analytical expressions of the perturbed propagation constants are presented in a more explicit and general manner compared to the existing theory.
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Keywords:
42.25.Bs
42.68.Ay
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Published: 01 June 1999
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PACS: |
42.25.Bs
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(Wave propagation, transmission and absorption)
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42.68.Ay
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(Propagation, transmission, attenuation, and radiative transfer)
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