Piccione, Brian

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  • Publication
    Incorporating Polaritonic Effects in Semiconductor Nanowire Waveguide Dispersion
    (2010-08-01) Van Vugt, Lambert K; Piccione, Brian; Agarwal, Ritesh
    We present the calculated and measured energy-propagation constant (E-ß) dispersion of CdS nanowire waveguides at room temperature, where we include dispersive effects via the exciton-polariton model using physical parameters instead of a phenomenological equation. The experimental data match well with our model while the phenomenological equation fails to capture effects originating due to light-matter interaction in nanoscale cavities. Due to the excitonic-polaritonic effects, the group index of the guided light peaks close to the band edge, which can have important implications for optical switching and sensor applications.