Nonlinear properties of split-ring resonators
Copyright policy )Nonlinear properties of split-ring resonators
In this letter, the properties of split-ring resonators (SRRs) loaded with high-Q capacitors and nonlinear varactors are theoretically analyzed and experimentally measured. We demonstrate that the resonance frequency $f_m$ of the nonlinear SRRs can be tuned by increasing the incident power. $f_m$ moves to lower and higher frequencies for the SRR loaded with one varactor and two back-to-back varactors, respectively. For high incident powers, we observe bistable tunable metamaterials and hysteresis effects. Moreover, the coupling between two nonlinear SRRs is also discussed.
6 pages, 5 figures
- Iowa State University United States
- University of Crete Greece
Condensed Matter - Materials Science, Optics and Photonics, Radiation, Transducers, Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences, Equipment Design, Models, Theoretical, Materials Testing, Computer-Aided Design, Computer Simulation, Microwaves, Algorithms
Condensed Matter - Materials Science, Optics and Photonics, Radiation, Transducers, Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences, Equipment Design, Models, Theoretical, Materials Testing, Computer-Aided Design, Computer Simulation, Microwaves, Algorithms
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