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Chinese Optics Letters, Volume. 13, Issue 9, 091301(2015)

Polarization-independent grating coupler based on silicon-on-insulator

Jingjing Zhang1, Junbo Yang1,2、*, Huanyu Lu1,3, Wenjun Wu1, Jie Huang1, and Shengli Chang1
Author Affiliations
  • 1Center of Material Science, National University of Defense Technology, Changsha 410073, China
  • 2State Key Laboratory on Advanced Optical Communication Systems and Networks, Peking University, Beijing 100871, China
  • 3University of Electronic Science and Technology of China, Chengdu 610054, China
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    Figures&Tables (9)
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    References (22)
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    Figures & Tables(9)
    Polarization-insensitive grating coupler based on SOI.

    Fig. 1. Polarization-insensitive grating coupler based on SOI.

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    Effective refractive index as a function of waveguide thickness.

    Fig. 2. Effective refractive index as a function of waveguide thickness.

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    Coupling efficiency as a function of filling factor.

    Fig. 3. Coupling efficiency as a function of filling factor.

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    Coupling efficiency as a function of period.

    Fig. 4. Coupling efficiency as a function of period.

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    Coupling efficiency as a function of etching height.

    Fig. 5. Coupling efficiency as a function of etching height.

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    Coupling efficiency as a function of wavelength and angle.

    Fig. 6. Coupling efficiency as a function of wavelength and angle.

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    Compare with coupling efficiency and wavelength for TE and TM mode.

    Fig. 7. Compare with coupling efficiency and wavelength for TE and TM mode.

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    Optical field distributions at the wavelength of 1.56 μm for (a) TE mode and (b) TM mode.

    Fig. 8. Optical field distributions at the wavelength of 1.56 μm for (a) TE mode and (b) TM mode.

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    • Table 1. Optimized Design Parameters (Unit: μm)

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      Table 1. Optimized Design Parameters (Unit: μm)

      ParametersλTHfθ
      Value1.560.930.160.6511°
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    Jingjing Zhang, Junbo Yang, Huanyu Lu, Wenjun Wu, Jie Huang, Shengli Chang, "Polarization-independent grating coupler based on silicon-on-insulator," Chin. Opt. Lett. 13, 091301 (2015)

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    Paper Information

    Category: Integrated Optics

    Received: Apr. 9, 2015

    Accepted: Jun. 30, 2015

    Published Online: Sep. 14, 2018

    The Author Email: Junbo Yang (yangjunbo008@sohu.com)

    DOI:10.3788/COL201513.091301

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology