Silicon-based Fano resonance devices based on photonic crystal nanobeams
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Affiliation:

1.Beijing Information Science & Technology University;2.State grid Zhejiang electric power corporation information & telecommunication branch

Fund Project:

Science and Technology Project of the State Grid Zhejiang Electric Power Company Limited (No.B311XT21004G).

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    Abstract:

    To address the driving power and density of wavelength-division-multiplexing (WDM) computing architectures, a Fano resonator based on a photonic crystal nanobeam is proposed. The Fano resonator comprises a T-shaped waveguide, introducing an additional phase shift in the continuous propagation mode, and a photonic crystal nanobeam with a discrete mode. The device has one resonance peak within wavelength ranging from 1500 nm to 1600 nm, with a maximum extinction ratio of 8.7 dB and a transmission spectrum slope of up to 11.30 dB/nm. The device has good reusability, extinction ratio, and spectral resolution. It is expected to provide essential photonic components for low-energy consumption and high-density photonic computing to meet the requirements of future convolutional neural network acceleration computing.

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History
  • Received:April 11,2023
  • Revised:May 18,2023
  • Adopted:May 31,2023
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