Characteristics and Generation Routes of Chaos in Time Delay Varying Optoelectronic Oscillators

Zhenwei Chen; Yichao Meng; Yaomu Zhan

doi:10.3788/LOP57.191902

Journals >Laser & Optoelectronics Progress >Volume 57 >Issue 19 >Page 191902 > Article

Laser & Optoelectronics Progress
Vol. 57, Issue 19, 191902 (2020)

Characteristics and Generation Routes of Chaos in Time Delay Varying Optoelectronic Oscillators

Zhenwei Chen^1、2, Yichao Meng^1、2、*, and Yaomu Zhan^1、2

Author Affiliations

¹Institute of Fiber Optics, Shanghai University, Shanghai 201800, China

²Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200444, China

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DOI: 10.3788/LOP57.191902 Cite this Article Set citation alerts

Zhenwei Chen, Yichao Meng, Yaomu Zhan. Characteristics and Generation Routes of Chaos in Time Delay Varying Optoelectronic Oscillators[J]. Laser & Optoelectronics Progress, 2020, 57(19): 191902 Copy Citation Text

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Fig. 1. Schematic of chaotic system with time delay varying optoelectronic oscillator

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Output states of optoelectronic oscillator under different time delays when φ=π16. (a1)--(e1) Time sequences; (a2)--(e2) power spectra; (a3)--(e3) phase diagrams

Fig. 2. Output states of optoelectronic oscillator under different time delays when φ=

\frac{π}{16}

. (a1)--(e1) Time sequences; (a2)--(e2) power spectra; (a3)--(e3) phase diagrams

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Fig. 3. Enlarged time sequences of system under different time delays when φ=

\frac{π}{16}

. (a1) τ=0.23 ns; (a2) τ=0.24 ns; (a3) τ=0.25 ns

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Fig. 4. Output states of optoelectronic oscillator under different time delays when φ=

\frac{π}{8}

. (a1)--(d1) Time sequences; (a2)--(d2) power spectra; (a3)--(d3) phase diagrams

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Fig. 5. Enlarged time sequences of system under different time delays when φ=

\frac{π}{8}

. (a1) τ=0.10 ns; (a2) τ=0.20 ns; (a3) τ=1.00 ns

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Fig. 6. Output states of optoelectronic oscillator under different time delays when φ=-

\frac{π}{8}

. (a1)--(e1) Time sequences; (a2)--(e2) power spectra; (a3)--(e3) phase diagrams

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Fig. 7. Bifurcation diagram of chaotic system when φ=-

\frac{π}{4}

and β=3

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Fig. 8. Output states of optoelectronic oscillator under different time delays when φ=-

\frac{π}{4}

. (a1)--(f1) Time sequences; (a2)--(f2) power spectra; (a3)--(f3) phase diagrams

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Fig. 9. Evolution of permutation entropy of time delay varying oscillator with τ

Zhenwei Chen, Yichao Meng, Yaomu Zhan. Characteristics and Generation Routes of Chaos in Time Delay Varying Optoelectronic Oscillators[J]. Laser & Optoelectronics Progress, 2020, 57(19): 191902

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