Laser & Optoelectronics Progress, Volume. 55, Issue 3, 032301(2018)

Study of Bragg Reflection Waveguide Based on Metasurface in Visible Light Band

Shangshu Ren, Shudao Zhou*, Min Wang, and Shuling Peng
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    Distributed Bragg reflector (DBR) with visible light band is constructed by SiO2/Si. The central cavity made of SU-8 photoresist is added into it to form the traditional Bragg reflector (BRW). The transmission matrix method is used to analyze the transmission of visible light in the distributed Bragg reflector and the Bragg reflector. The effect of various factors such as medium refractive index, thickness and number of cycles on Bragg mirrors and the influence of various parameters of SU-8 on the photonic bandgap are studied. Aiming at the difficult preparation of the traditional Bragg reflective waveguide hardware, a new type of Bragg reflective waveguide is constructed, when Si metasurface is introduced into SU-8. The effect of metasurface on the defect mode is analyzed experimentally. Experiments show that the metasurface has the function of controlling the defect mode wavelength, and the new Bragg reflector waveguide array can complete beam splitting function in the visible light band. Which can be used to improve optical instruments.

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    Shangshu Ren, Shudao Zhou, Min Wang, Shuling Peng. Study of Bragg Reflection Waveguide Based on Metasurface in Visible Light Band[J]. Laser & Optoelectronics Progress, 2018, 55(3): 032301

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    Paper Information

    Category: Optical devices

    Received: Aug. 30, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Zhou Shudao (zhousd70131@sina.cn)

    DOI:10.3788/LOP55.032301

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