Abstract:In this paper, we focus on the properties of the complex modes in negative-refractive-index fibers. The characteristic equations for TE and TM modes in negative-refractive-index fibers are given. These solutions, termed complex surface waves, form another set of proper modes. We show that dispersion diagram for both TE and TM modes in negative-refractive-index fibers, including evanescent, ordinary, and complex surface modes. It is found that the complex surface modes have high cutoff frequencies which means t… Show more
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