• Study On Optical Communications
  • Vol. 50, Issue 6, 23009901 (2024)
Zheng SHI, Jing WAN*, Tingjie YU, Rui ZHOU, and Jiansong CHEN
Author Affiliations
  • College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
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    DOI: 10.13756/j.gtxyj.2024.230099 Cite this Article
    Zheng SHI, Jing WAN, Tingjie YU, Rui ZHOU, Jiansong CHEN. 2×2 Microfluidic Optical Switch with Ferromagnetic Fluid Drive[J]. Study On Optical Communications, 2024, 50(6): 23009901 Copy Citation Text show less
    Magnetic fluid driving device and principle diagram
    Fig. 1. Magnetic fluid driving device and principle diagram
    Structure of 2×2 optical switch based on magnetic fluid drive
    Fig. 2. Structure of 2×2 optical switch based on magnetic fluid drive
    Principle of the optical switch
    Fig. 3. Principle of the optical switch
    Structure of the optical switch with straight waveguide
    Fig. 4. Structure of the optical switch with straight waveguide
    Optical field distribution of the optical switch with straight waveguide when the waveguide angle is 7.5°
    Fig. 5. Optical field distribution of the optical switch with straight waveguide when the waveguide angle is 7.5°
    Structure of the optical switch with curved waveguide
    Fig. 6. Structure of the optical switch with curved waveguide
    Transmissivity and crosstalk XT of the switch for the interval between two waveguides at the input
    Fig. 7. Transmissivity and crosstalk XT of the switch for the interval between two waveguides at the input
    Optical field distribution of the optical switch with curved waveguide
    Fig. 8. Optical field distribution of the optical switch with curved waveguide
    Influence of microchannel widths
    Fig. 9. Influence of microchannel widths
    夹角/°功率传输率(%)IL/dBXT/dB
    4.072.581.39-8.48
    5.060.252.20-7.34
    6.068.331.65-10.48
    7.078.161.07-15.70
    7.579.910.97-15.62
    8.077.361.11-14.58
    8.572.761.38-13.55
    9.068.411.64-12.13
    Table 1. Influence of angle on the output of optical switch in X-shaped straight waveguide
    波导折射率功率传输率(%)IL/dBXT/dB
    1.49084.110.751 5-20.46
    1.49184.790.716 5-21.01
    1.49284.950.708 3-20.86
    1.49384.710.720 6-20.56
    1.49484.160.748 9-20.38
    1.49583.480.784 1-20.16
    1.49682.670.826 5-19.66
    1.49781.120.908 7-17.69
    1.49879.910.973 9-16.45
    Table 2. Output characteristics of port 3 under different waveguide refractive indices
    波导折射率功率传输率(%)IL/dBXT/dB
    1.49088.560.527 6-37.95
    1.49188.510.530 0-38.86
    1.49288.400.535 4-39.58
    1.49388.210.544 8-40.65
    1.49487.790.565 5-41.95
    1.49587.100.599 8-43.57
    1.49686.210.644 4-45.52
    1.49785.550.677 7-49.10
    1.49884.350.541 8-51.18
    Table 3. Output characteristics of port 4 under different waveguide refractive indices
    Zheng SHI, Jing WAN, Tingjie YU, Rui ZHOU, Jiansong CHEN. 2×2 Microfluidic Optical Switch with Ferromagnetic Fluid Drive[J]. Study On Optical Communications, 2024, 50(6): 23009901
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