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Laser & Optoelectronics Progress, Volume. 57, Issue 3, 030502(2020)

Sub-Wavelength Grating 1×4 Power Splitter with Beam Convergence

Cheng Huang1,2, Chenglin Bai1,2、*, Wenjing Fang1,2, Xinye Fan1,2, and Ximei Jiang1,2
Author Affiliations
  • 1School of Physics Science and Information Technology, Liaocheng University, Liaocheng, Shandong 252000, China
  • 2Shandong Provincial Key Laboratory of Optical Communication Science and Technology, Liaocheng, Shandong 252000, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(9)
    Schematic of sub-wavelength grating 1×4 power splitter with beam convergence

    Fig. 1. Schematic of sub-wavelength grating 1×4 power splitter with beam convergence

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    Schematic of non-periodic sub-wavelength grating structure

    Fig. 2. Schematic of non-periodic sub-wavelength grating structure

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    Sectional distribution of sub-wavelength grating A

    Fig. 3. Sectional distribution of sub-wavelength grating A

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    Relationship of periodic sub-wavelength grating’s period, duty cycle and transmittance

    Fig. 4. Relationship of periodic sub-wavelength grating’s period, duty cycle and transmittance

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    Relationship of periodic sub-wavelength grating's period, duty cycle and phase

    Fig. 5. Relationship of periodic sub-wavelength grating's period, duty cycle and phase

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    Design of convergent grating phase

    Fig. 6. Design of convergent grating phase

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    Distribution of electric field intensity of grating A

    Fig. 7. Distribution of electric field intensity of grating A

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    Distribution of electric field intensity of power splitter

    Fig. 8. Distribution of electric field intensity of power splitter

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    Transmittance with different incident wavelengths

    Fig. 9. Transmittance with different incident wavelengths

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    Cheng Huang, Chenglin Bai, Wenjing Fang, Xinye Fan, Ximei Jiang. Sub-Wavelength Grating 1×4 Power Splitter with Beam Convergence[J]. Laser & Optoelectronics Progress, 2020, 57(3): 030502

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    Paper Information

    Category: Diffraction and Gratings

    Received: Jun. 13, 2019

    Accepted: Sep. 2, 2019

    Published Online: Feb. 17, 2020

    The Author Email: Chenglin Bai (baichenglin@lcu.edu.cn)

    DOI:10.3788/LOP57.030502

    Topics

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