Citation: |
Wei Feng, Lijuan Shi. Nonlinear dynamics in a terahertz-driven double-layer graphene diode[J]. Journal of Semiconductors, 2018, 39(12): 124012. doi: 10.1088/1674-4926/39/12/124012
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W Feng, L J Shi, Nonlinear dynamics in a terahertz-driven double-layer graphene diode[J]. J. Semicond., 2018, 39(12): 124012. doi: 10.1088/1674-4926/39/12/124012.
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Nonlinear dynamics in a terahertz-driven double-layer graphene diode
DOI: 10.1088/1674-4926/39/12/124012
More Information
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Abstract
By using the time-dependent hydrodynamic equations, we carry out a theoretical study of nonlinear dynamics in an n+nn+ double-layer graphene diode driven by terahertz radia-tion. A cooperative nonlinear oscillatory mode shows up due to the negative differential conductance effect. We use different chaos-detecting methods, such as the Poincaré bifurcation diagram and the first return map, to examine the transitions between the periodic and chaotic states. The double-layer graphene diode shows typical nonlinear dynamical behavior with the DC bias, AC amplitudes and the AC frequency as the control parameters.-
Keywords:
- nonlinear,
- terahertz,
- double-layer graphene
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References
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