Abstract
Channeled plasmon polaritons (CPPs) are electromagnetic excitations that are bound to and propagate along metallic V-groove waveguides [1]. CPPs offer subwavelength lateral confinement, an ability to turn sharp bends with near-zero loss and are considered to be one of the most suitable forms of propagating plasmons to optimize the trade-off between lateral confinement and loss [2]. Accordingly, the traits of CPPs in metallic V-grooves suggest their widespread implementation, with applications ranging from ultracompact photonic circuitry [3] to lab-on-a-chip sensing. Current CPP research focuses on the optimisation of their properties (e.g. propagation length, confinement) and improving both the quality and cost of fabrication techniques [4].
© 2013 IEEE
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