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Optical Instruments, Volume. 43, Issue 6, 6(2021)

Simulations of reconfigurable optical switching based on Ge2Sb2Se4Te1

Zhangjian MU... Liying LI, Jia DU, Nan CHEN and Xuejing LIU* |Show fewer author(s)
Author Affiliations
  • School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (2)
    References (15)
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    Figures & Tables(9)
    Structure of 2×2 directional coupler type switch

    Fig. 1. Structure of 2×2 directional coupler type switch

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    n and k of GST and GSST in amorphous and crystalline states at 1500-1625 nm

    Fig. 2. n and k of GST and GSST in amorphous and crystalline states at 1500-1625 nm

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    Relation between effective refractive index and width of waveguides

    Fig. 3. Relation between effective refractive index and width of waveguides

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    Simulation of mode field of sandwich waveguide

    Fig. 4. Simulation of mode field of sandwich waveguide

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    Simulations of light field distribution at 1550 nm

    Fig. 5. Simulations of light field distribution at 1550 nm

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    IL and CT curves of switch across 1500-1625 nm band

    Fig. 6. IL and CT curves of switch across 1500-1625 nm band

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    Distribution of laser heating

    Fig. 7. Distribution of laser heating

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    Temperature distribution of top and bottom GSST layer

    Fig. 8. Temperature distribution of top and bottom GSST layer

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    • Table 1. Coefficients used for the thermal simulation

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      Table 1. Coefficients used for the thermal simulation

      材料密度/ （kg·m−3） 导热系数/ （W/m−1·K−1） 恒压热容/ （J·kg−1·K−1）
      SiN31007880.27
      SiO222037461.38
      A-GSST60002120.57
      C-GSST62502121.58
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    Zhangjian MU, Liying LI, Jia DU, Nan CHEN, Xuejing LIU. Simulations of reconfigurable optical switching based on Ge2Sb2Se4Te1[J]. Optical Instruments, 2021, 43(6): 6

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    Paper Information

    Category: APPLICATION TECHNOLOGY

    Received: Mar. 11, 2021

    Accepted: --

    Published Online: Jun. 29, 2022

    The Author Email: LIU Xuejing (liuxuejing@usst.edu.cn)

    DOI:10.3969/j.issn.1005-5630.2021.06.002

    Topics

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