Period-doubling route to chaos in perturbed period-one nonlinear dynamics

IF 4.4 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Results in Physics Pub Date : 2025-02-18 DOI:10.1016/j.rinp.2025.108164

Mohammad AlMulla

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Abstract

An all-optical method is proposed for destabilizing the period-one (P1) nonlinear dynamic state using a system of three cascaded semiconductor lasers across two optical injection stages. Leveraging the P1 dynamic state in the first optical injection stage as a tunable microwave oscillator, this approach generates broadband chaotic dynamics without the need for high-frequency microwave sources. By tuning the second injection stage such that the lower oscillation sideband of the injecting P1 state is offset by a few gigahertz from the injection-shifted cavity resonance of the second laser operating also in the P1 dynamic state, the P1 state is destabilized into a chaotic dynamic state. The resulting dynamics are influenced by both the power and frequency of the lower oscillation sideband of the injecting P1 state, leading to a cascade of period-doubling bifurcations that culminate into chaos. The induced chaos exhibits broad standard and effective bandwidths exceeding 30 GHz and 15 GHz, respectively, highlighting the potential of this approach for applications in broadband chaotic systems.

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

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