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Photodiode-Based Chua's Circuit with Light Controllability |
| NAM Sang Guk1, NGUYEN Van Ha1, SONG Hanjung1,2** |
1Department of Nanoscience and Engineering, Inje University, Gimhae 621-749, Korea
2Center for Nano Manufacturing, Inje University, Gimhae 621-749, Korea
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| Cite this article: |
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NAM Sang Guk, NGUYEN Van Ha, SONG Hanjung 2014 Chin. Phys. Lett. 31 060502 |
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Abstract We present a photodiode-based Chua's chaotic circuit that is controllable by light. The proposed circuit consists of an inductor, two passive capacitors, a photodiode-based variable resistor, and a positive feedback trans-conductor with negative nonlinearity. The chaotic dynamics of the circuit were verified by using the simulation program with integrated circuit emphasis analysis using the 0.35 μm complementary metal-oxide-semiconductor process parameters. The gain results (such as the time waveform, frequency analysis, three-dimensional attractor, bifurcation and Lyapunov exponents diagrams) confirm that the chaotic behavior of the circuit could be controlled by light intensity via the photodiode-based variable resistor.
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Published: 26 May 2014
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| PACS: |
05.45.Gg
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(Control of chaos, applications of chaos)
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82.40.Bj
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(Oscillations, chaos, and bifurcations)
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85.40.-e
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(Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology)
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