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Chaos and Quasi-period in Erbium-Doped Fiber Laser

  • Senlin YanEmail author
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1074)

Abstract

Nonlinear dynamics in a short cavity Erbium (Er)-doped fiber laser is discussed while a complex dynamical model is presented by a two-level mode containing a periodic absorption of photon. The laser can produce a periodic state and a chaotic state when a periodic square-wave signal is used to modulate absorption of photon. A path to chaos is roughly presented by varying the modulation depth while a periodic pulsation, a quasi-periodic pulsation and a chaotic pulsation are produced and are analyzed. Another path to chaos is presented by varying the modulation frequency while a periodic pulsation, a quasi-periodic pulsation and a chaotic pulsation are produced and are discussed in detail. And some periodic regions, quasi-periodic regions and chaotic regions are introduced via the modulation depth and frequency. It can be found that the modulation depth and frequency determine dynamical behavior of the laser while the parameters of modulation depth and frequency can affect dynamics of the laser and can change behavior evolution of the laser. The effect of Er-doped concentration on dynamics of the laser is analyzed to find to change behavior of the laser. The obtained result is helpful to study on fiber laser technology and chaotic laser application.

Keywords

Fiber laser Chaos Dynamics Quasi-period Erbium-doped fiber 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department of Electronic EngineeringNanjing Xiaozhuang UniversityNanjingChina

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