Abstract
Multiple Fano resonances (FRs) and plasmon-induced transparency (PIT) are observed and analyzed in one-dimensional photonic crystals (1D-PhCs) coupled surface plasmon polariton (SPP) structure under the attenuated total reflection (ATR) configuration. Coupling between the excited guided modes of 1D-PhCs and SPP mode leads to Fano type resonances which are confirmed by numerical calculation. Magnetic field distributions at the resonances are also presented to verify the existence of multiple FRs. It is demonstrated that the position and the linewidth of the FRs can be engineered by the structural parameters. Moreover, the position of FRs can be obtained at any desired wavelengths in the near-infrared (NIR) range. These results pave a new way for the development of multiband reflectors working in NIR based on FR.
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