Phase shift at a turning point in a planar optical waveguide |
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| Authors: | Cao Z Liu Q Jiang Y Shen Q Dou X Ozaki Y |
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| Affiliation: | Molecular Photonics Laboratory, Institute of Optics and Photonics, Shanghai Jiao Tong University, China. Zhuangqi_cao@263.net |
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| Abstract: | We present a novel matrix approach to proving that the phase shift at a turning point in a planar optical wave-guide is exactly equal to pi rather than to pi/2 or to some other value. We also show the existence of phase contributions from reflected subwaves, which to our knowledge have never been taken into account previously. |
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