Ultra-compact polarization beam splitter based on photonic crystal waveguides |
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Authors: | Wenhai Yu Peijun YaoPei Wang Hai Ming |
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Institution: | Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei 230026, PR China |
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Abstract: | The authors design an ultra-compact all-PC-integrated polarization beam splitter which is only composed of three waveguides: one input waveguide and two output waveguides. The input waveguide can support both TM and TE modes, but one of the two output waveguides can only support TM modes while the other can only support TE modes. So an incident beam will be separated into two different polarization beams which emerge from different output waveguides. By the simulation of finite-difference time-domain method, we know that the polarization beam splitter really works the way as we predict. |
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Keywords: | Photonic crystal Polarization beam splitter |
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