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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1133-1136 |
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Sadeghi M, Ahmadi V. Intensity-dependent plasmonic resonance of graphene layer. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1133-1136
URL: http://opsi.ir/article-1-1928-en.html
URL: http://opsi.ir/article-1-1928-en.html
1- Department of Electrical & Computer Engineering, University of Tarbiat Modares, Tehran, 14115-111, Iran.
Abstract: (1557 Views)
In this paper, we study excitation of surface plasmon polaritons (SPPs) by Kretschmann-Raether configuration for graphene layer sandwiched between two dielectrics for enough high intensity input electromagnetic (EM) wave. We consider the dispersion of SPPs for high quality graphene layer in which scattering loss is much lower than SPPs energy. Results show that for rather high intensity EM wave, propagation constants of SPPs show nonlinear dependence to incidence angle. Also dispersion curves of surface plasmon polaritons have singularity at some frequencies which results to more plasmonic resonances. These phenomena can be used to design angle and frequency filters which are tunable by intensity of control pump.
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