Optical Mode Cross-Connect Using Multimode Interference Mmi Based On Silicon Material

https://doi.org/10.31130/ud-jst.2022.160ICT

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Author

  • Ho Duc Tam Linh
    Hue University of Sciences, Vietnam
    Vo Duy Phuc
    The University of Danang - University of Science and Technology, Danang, Vietnam
    Nguyen Quang Viet
    The University of Danang - University of Science and Technology, Danang, Vietnam
    Nguyen Duc Hien
    The Univerisity of Danang - Vietnam - Korea University of Information and Communication Technology, Danang, Vietnam
    Nguyen Tan Hung
    The University of Danang - Advanced Institute of Science and Technology, Vietnam; The University of Danang - University of Science and Technology, Danang, Vietnam

Từ khóa:

Optical mode cross connect
BPM-3D
SOI
channel structure
MMI

Tóm tắt

An optical mode cross-connect (OMXC) between fundamental modes using multimode interference coupler MMI with high performance has been proposed in this paper. These basic modes can be transmitted in turn or at the same time to
any input and be able to select arbitrary outputs. The following inputs can only select the remaining outputs, so this process will not cause bottlenecks in the circuit. In order for the signals to be flexibly switched to the outputs without conflict, the phase shifters will be used to control their lightpaths. Through the BPM-3D beam propagation method, we have shown the flexible switching process between the input and output ports of the device with insertion loss always smaller than 1.8 dB in the range of wide wavelength from 1.53 µm to 1.565 µm. Specifically, attenuation only reaches -0.5 dB at the central wavelength of 1.55 µm. In addition, the crosstalk is always in a very small range from -44 dB to -24 dB for the entire band considered above. With these advantages, it is a promising device for optical mode processing circuits in the MDM system.

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Jun 30, 2022
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Linh, H. D. T., V. D. Phuc, N. Q. Viet, N. D. Hien, và N. T. Hung. “Optical Mode Cross-Connect Using Multimode Interference Mmi Based On Silicon Material”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 20, số p.h 6.2, Tháng Sáu 2022, tr 52-56, doi:10.31130/ud-jst.2022.160ICT.

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