Abstract
We show that resonant tunneling of electromagnetic (EM) fields can occur
through a six-layer structure consisting of two pairs of bilayer slabs: one being
an epsilon-negative layer and the other being a mu-negative layer with a
double-positive (DPS) medium and air. This type of tunneling is accompanied by
high-magnetic field. The Poynting vector distributions and the material dissipation
are studied. Our results demonstrate that the EM field in the structure is
controlled flexibly by single-negative media and DPS slab. Therefore, this structure
has potential applications in wireless energy transfer.
© 2014 Chinese Optics Letters
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