Calculation of geometrical birefringence from two-dimensional refractive-index profile in single-mode fibres |
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| Authors: | Dong Hui Wu Chong-Qing and Fu Song-Nian |
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| Affiliation: | School of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, China; School of Science, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | We present two numerical approaches to calculate the geometrical birefringence from two-dimensional refractive-index profile in single-mode fibres. One is the improved perturbation model theory, the other is based on the general solution of noncircular uniform optical waveguide in an arbitrary coordinate system. Using these methods, we can obtain not only the magnitude of geometrical birefringence, but also the orientation of birefringent axes. We report the calculation results of geometrical birefringence in a real single-mode fibre. |
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| Keywords: | birefringence refractive-index profile polarization mode dispersion |
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