Analyzing modal power in multi-mode waveguide via machine learning.

  title={Analyzing modal power in multi-mode waveguide via machine learning.},
  author={Ang Liu and Tianying Lin and H. Han and Xiaopei Zhang and Ze Chen and Fuwan Gan and Haibin Lv and Xiaoping Liu},
  journal={Optics express},
  volume={26 17},
A machine learning assisted modal power analyzing scheme designed for optical modes in integrated multi-mode waveguides is proposed and studied in this work. Convolutional neural networks (CNNs) are successfully trained to correlate the far-field diffraction intensity patterns of a superposition of multiple waveguide modes with its modal power distribution. In particular, a specialized CNN is trained to analyze thin optical waveguides, which are single-moded along one axis and multi-moded along… CONTINUE READING

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