IEEE Access (Jan 2024)

Analysis of an Improved Circuit for Laser Chaos and Its Synchronization

  • Roberto Concas,
  • Alessio Montori,
  • Eugenio Pugliese,
  • Alessio Perinelli,
  • Leonardo Ricci,
  • Riccardo Meucci

DOI
https://doi.org/10.1109/ACCESS.2024.3409875
Journal volume & issue
Vol. 12
pp. 100602 – 100610

Abstract

Read online

The exploration of chaos, synchronization, and circuit implementation in analog simulations unveils a versatile framework with diverse applications. Originating from a universal chaos model rooted in laser physics, its adaptability extends to neural dynamics and random number generation, where both rely on characteristic time scales. Circuit implementations using op-amps and analog multipliers offer tangible avenues for exploration. However, challenges like bias and trajectory distortion drive the need for innovative solutions. Through numerical integration and circuit simulations, analysis of chaotic regimes such as Sub-harmonic Chaos (SC) and Homoclinic Chaos (HC) reveals crucial behaviors for applications like secure communications. Despite experimental hurdles, advancements in circuit design promise novel pathways for chaos synchronization studies. Understanding the intricate interplay between chaos and these systems is vital, given their reliance on characteristic time scales. Additionally, exploring chaos synchronization, especially within analog circuits, shows potential for revolutionizing information processing capabilities, despite inherent challenges. Progress in circuit design persists, forging new avenues in chaos synchronization studies, shaping a dynamic landscape poised for further exploration and innovation.

Keywords