| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Polarization Beam Splitter Based on a Self-Collimation Michelson Interferometer in a Silicon Photonic Crystal |
| CHEN Xi-Yao1**, LIN Gui-Min1, LI Jun-Jun2, XU Xiao-Fu2, JIANG Jun-Zhen2, QIANG Ze-Xuan2, QIU Yi-Shen2, LI Hui2 |
1Department of Physics and Electronic Information Engineering, Minjiang University, Fuzhou 350108
2School of Physics and Optoelectronics Technology, Fujian Normal University, Fuzhou 350007
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| Cite this article: |
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CHEN Xi-Yao, LIN Gui-Min, LI Jun-Jun et al 2012 Chin. Phys. Lett. 29 014210 |
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Abstract A polarization beam splitter based on a self-collimation Michelson interferometer (SMI) in a hole-type silicon photonic crystal is proposed and numerically demonstrated. Utilizing the polarization dependence of the transmission spectra of the SMI and polarization peak matching method, the SMI can work as a polarization beam splitter (PBS) by selecting an appropriate path length difference in the structure. Based on its novel polarization beam splitting mechanics, the polarization extinction ratios (PERs) for TM and TE modes are as high as 18.4 dB and 24.3 dB, respectively. Since its dimensions are only several operating wavelengths, the PBS may have practical applications in photonic integrated circuits.
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| Keywords:
42.70.Qs
42.79.Fm
42.82.Gw
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Received: 01 August 2011
Published: 07 February 2012
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| PACS: |
42.70.Qs
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(Photonic bandgap materials)
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42.79.Fm
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(Reflectors, beam splitters, and deflectors)
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42.82.Gw
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(Other integrated-optical elements and systems)
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