中国物理B ›› 2011, Vol. 20 ›› Issue (10): 104210-104210.doi: 10.1088/1674-1056/20/10/104210

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Excellent polarization-independent reflector based on guided mode resonance effect

刘炯天1, 许林敏2, 强颖怀2, 朱亚波2, 许程3, 麻健勇4   

  1. (1)School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou 221116, China; (2)School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116, China; (3)School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116, China; School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou 221116, China; (4)Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 收稿日期:2010-12-27 修回日期:2011-06-28 出版日期:2011-10-15 发布日期:2011-10-15
  • 基金资助:
    Project supported by the Youth Science Research Foundation of China University of Mining and Technology (Grant No. 2009A058), the Fundamental Research Funds for the Central Universities (Grant No. 2010Qnb06), and the Natural Science Foundation of Shanghai Committee of Science and Technology (Grant No. 10ZR1433500).

Excellent polarization-independent reflector based on guided mode resonance effect

Xu Cheng(许程)a)b), Xu Lin-Min(许林敏)a), Qiang Ying-Huai(强颖怀)a), Zhu Ya-Bo(朱亚波)a), Liu Jiong-Tian(刘炯天)b), and Ma Jian-Yong(麻健勇)c)†   

  1. a School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116, China; b School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou 221116, China; c Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • Received:2010-12-27 Revised:2011-06-28 Online:2011-10-15 Published:2011-10-15
  • Supported by:
    Project supported by the Youth Science Research Foundation of China University of Mining and Technology (Grant No. 2009A058), the Fundamental Research Funds for the Central Universities (Grant No. 2010Qnb06), and the Natural Science Foundation of Shanghai Committee of Science and Technology (Grant No. 10ZR1433500).

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摘要： A broad band polarization-independent reflector working in the telecommunication C+L band is proposed using the guided mode resonance effect of a periodic surface relief element deposited by a layer of silicon medium. It is shown that this structure can provide high reflection (R>99.5%) and wide angular bandwidth (θ≈20°, R>98%) for both TE and TM polarizations over a wide spectrum band 1.5 μm～1.6 μm. Furthermore, it is found by rigorous coupled wave analysis that the polarization-independent reflector proposed here is tolerant of a deviation of grating thickness, which makes it very easy to fabricate in experiments.

关键词: polarization-independent reflector, guided mode resonance, rigorous coupled wave analysis

Abstract: A broad band polarization-independent reflector working in the telecommunication C+L band is proposed using the guided mode resonance effect of a periodic surface relief element deposited by a layer of silicon medium. It is shown that this structure can provide high reflection (R>99.5%) and wide angular bandwidth (θ ≈20°, R>98%) for both TE and TM polarizations over a wide spectrum band 1.5 μm～1.6 μm. Furthermore, it is found by rigorous coupled wave analysis that the polarization-independent reflector proposed here is tolerant of a deviation of grating thickness, which makes it very easy to fabricate in experiments.

Key words: polarization-independent reflector, guided mode resonance, rigorous coupled wave analysis

中图分类号:  (Optical coatings)

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