Infrared and Laser Engineering, Volume. 50, Issue 5, 20211028(2021)

Global topology optimized metagrating beam splitter based on deep learning

Renjun Deng... Tan Shi, Xiangping Li and Zilan Deng |Show fewer author(s)
Author Affiliations
  • Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China
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    Figures & Tables(3)
    (a) Schematic diagram of deep learning model; (b) Schematic diagram of metagrating beam splitter
    Diffraction efficiency and target function of metagrating beam splitter with deflection angle 150°. (a), (d) Average diffraction efficiency and the average target function values of the metagrating beam splitter vs training times; (b), (c) Distribution of diffraction efficiency of the metagrating beam splitter after 100 and 1000 times of training; (e), (f) Distribution of target function values of the metagrating beam splitter after 100 and 1000 times of training
    Structure and the full wave simulation results of the metagrating beam splitter with deflection angle of 120° and 150°; (a), (b) Structure of the metagrating beam splitter with the deflection angle of 120° and 150°; (c), (d) distribution of the metagrating beam splitter with the deflection angle of 120° and 150°; (e), (f) Electric field distribution of the metagrating beam splitter with the deflection angle of 120° and 150°偏折角为120°和150°时对应的超构光栅分束器结构和全波模拟结果。(a)、(b)偏折角为120°和150°时对应的超构光栅分束器结构;(c)、(d) 偏折角为120°和150°时对应的超构光栅分束器的分布;(e)、(f) 偏折角为120°和150°时对应的超构光栅分束器的场分布
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    Renjun Deng, Tan Shi, Xiangping Li, Zilan Deng. Global topology optimized metagrating beam splitter based on deep learning[J]. Infrared and Laser Engineering, 2021, 50(5): 20211028

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    Paper Information

    Category: Newsletter

    Received: Apr. 1, 2021

    Accepted: --

    Published Online: Aug. 13, 2021

    The Author Email:

    DOI:10.3788/IRLA20211028

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