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Recent Developments in Photonic Integration: Reservoir Computing in Photonics using Silicon Microring Nonlinearities

  • Unique Paper ID: 180627
  • Volume: 12
  • Issue: 1
  • PageNo: 1600-1609
  • Abstract:
  • The rapid evolution of integrated photonics is revolutionizing the landscape of high-speed, energy efficient computing. One of the most promising frontiers in this domain is Photonic Reservoir Computing (PRC), a neuromorphic paradigm that leverages the inherent dynamics and parallelism of photonic systems. This paper provides an in-depth exploration of reservoir computing implemented through nonlinear effects in silicon microring resonators (MRRs)—a scalable and CMOS-compatible platform for optical information processing. We examine the fundamental physical processes, such as two-photon absorption, free carrier dispersion, and thermal-optic phenomena, that facilitate nonlinear transformation and short-term memory essential for RC operations. Recent advances in photonic integration are surveyed, highlighting how MRR-based architectures support time-multiplexed virtual node generation and can be effectively deployed for complex signal processing tasks. A simulation framework in MATLAB is presented to model the nonlinear carrier dynamics and evaluate the RC system on a distorted QPSK signal with chromatic dispersion and Kerr nonlinearity. Results demonstrate accurate symbol recovery through a simple linear readout, validating the feasibility of silicon microrings for high-performance PRC. We further discuss emerging applications in AI on-Chip inference engines, fiber-optic communications, and neuromorphic sensor fusion, and outline challenges and opportunities in scaling and enhancing photonic reservoir systems. This work positions silicon microring-based PRC as a compelling solution for next generation integrated photonic computing.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 12
  • Issue: 1
  • PageNo: 1600-1609

Recent Developments in Photonic Integration: Reservoir Computing in Photonics using Silicon Microring Nonlinearities

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