Tamm states in one dimensional photonic crystals containing left-handed materials

Details Tamm states in one dimensional photonic crystals containing left-handed materials Tamm states in one dimensional photonic crystals containing left-handed materials

2006-07-19

arxiv.org/abs/physics/0607171v1

Physics

Optics

8pages, 5 figures

Scientific paper

10.1016/j.optcom.2007.05.063

We present a theoretical study of electromagnetic surface waves localized at an interface separating a conventional uniform medium and a semi-infinite 1-D photonic crystal made of alternate left-handed metamaterial and right-handed material which we refer to as left-handed photonic crystal. We find novel type of surface mode's structure, the so-called surface Tamm states and demonstrate that the presence of metamaterial in the photonic crystal structure allows for a flexible control of the dispersion properties of surface states, and can support the Tamm states with a backward energy flow and a vortex-like structure.

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