Analysis of an Improved Circuit for Laser Chaos and Its Synchronization

Year: 2024

Authors: Concas R., Montori A., Pugliese E., Perinelli A., Ricci L., Meucci R.

Autors Affiliation: Ist Nazl Ric Metrol INRiM, I-10135 Turin, Italy; European Lab Nonlinear Spect LENS, I-50019 Sesto Fiorentino, Italy; Univ Florence UNIFI, Dept Phys, I-50019 Sesto Fiorentino, Italy; Ist Nazl Ott CNR INO, I-50019 Sesto Fiorentino, Italy; Ist Nazl Ott CNR INO, I-50125 Florence, Italy; Univ Trento, Dept Phys, I-38123 Trento, Italy; INFN TIFPA, I-38123 Trento, Italy; Univ Trento, Ctr Mind Brain Sci, CIMeC, I-38068 Rovereto, Italy.

Abstract: 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.

Journal/Review: IEEE Access

Volume: 12      Pages from: 100602  to: 100610

More Information: This work was supported by Open Access Funding provided by Istituto Nazionale di Ricerca Metrologica within the CARE-CRUI Transformative Agreement.
KeyWords: Chaos; Mathematical models; Synchronization; Integrated circuit modeling; Time series analysis; Correlation; Voltage control; Circuit synthesis; Analog simulations; chaos; chaos synchronization; circuit design
DOI: 10.1109/ACCESS.2024.3409875


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