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Electromagnetic resonance in nanosandwich photonic metamaterial

Fu Fei-Ya Chen Wei Zhou Wen-Jun Liu An-Jin Xing Ming-Xin Wang Yu-Fei Zheng Wan-Hua

Electromagnetic resonance in nanosandwich photonic metamaterial

Fu Fei-Ya, Chen Wei, Zhou Wen-Jun, Liu An-Jin, Xing Ming-Xin, Wang Yu-Fei, Zheng Wan-Hua
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  • Received Date:  22 January 2010
  • Accepted Date:  04 June 2010
  • Published Online:  15 December 2010

Electromagnetic resonance in nanosandwich photonic metamaterial

  • 1. Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

Abstract: The magnetic plasmon (MP) modes in metal-dielectric-metal nanosandwich structures are investigated numerically using finite-difference time-domain method. We demonstrate the law of the quality factor in this kind of resonator.According to the MP modes in the nanosandwich structures, we design a series of resonators of this kind in order to investigate how to tune the resonante frequencies of MP modes through tuning the geometrical parameters and the dielectric layer refractive index of resonators, and the obtained result is well consonant with our analysis by the equivalent inductance capacitance circuit. We also investigate the electromagnetic energy confinement of the nanosandwich resonators, and analyse the Q factors of these structures from thermal and radiant points of view, which will guide one in designing new waveguides and lasers based on MP modes.

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