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<p>An all-optical implementation of 4:2 encoder and 3:8 decoder using optimum microring resonator (MRR) in Z domain are proposed in the paper. The proposed designs are successfully stimulated in Ansys “finite difference time domain (FDTD)” and MATLAB. All-optical 4:2 encoder and 3:8 decoder has been analyzed numerically at a high-operational speed of 200 Gbps. Strong optical laser beam is used as pump signal for modulating the microring resonator. In the manuscript, the proposed models are analyzed mathematically in the Z domain employing delay line signal processing method. Numerical analysis is used to optimize the MRR’s essential operational parameters. Also, to validate the proposed model, significant performance parameters such as “contrast ratio”, “extinction ratio”, “amplitude modulation”, “on–off ratio” and “pseudo eye diagram” are evaluated using the optimized parameters.</p>

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Numerical analysis of all-optical microring resonator based 4:2 encoder and 3:8 decoder logic circuits in Z-domain

  • 期刊论文

  • 发表日期：

    2025年6月10日

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  • Sumanta Kundu,
  • Sanjoy Mandal,
  • Salem Balamurugan Mohan,
  • Kalimuddin Mondal,
  • Sultan Mahaboob Basha,
  • Vankadari Nagaraju,
  • Manjur Hossain

摘要

An all-optical implementation of 4:2 encoder and 3:8 decoder using optimum microring resonator (MRR) in Z domain are proposed in the paper. The proposed designs are successfully stimulated in Ansys “finite difference time domain (FDTD)” and MATLAB. All-optical 4:2 encoder and 3:8 decoder has been analyzed numerically at a high-operational speed of 200 Gbps. Strong optical laser beam is used as pump signal for modulating the microring resonator. In the manuscript, the proposed models are analyzed mathematically in the Z domain employing delay line signal processing method. Numerical analysis is used to optimize the MRR’s essential operational parameters. Also, to validate the proposed model, significant performance parameters such as “contrast ratio”, “extinction ratio”, “amplitude modulation”, “on–off ratio” and “pseudo eye diagram” are evaluated using the optimized parameters.