Liquid–crystal tunable waveguides for integrated plasmonic components

Zografopoulos, Dimitrios C. and Beccherelli, Romeo and Tasolamprou, Anna C. and Kriezis, Emmanouil E. (2012) Liquid–crystal tunable waveguides for integrated plasmonic components. Photonics and nanostructures. ISSN 1569-4410 (In Press)

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A broad range of liquid–crystal tunable plasmonic waveguides, based on long-range, dielectric-loaded, and channel surface plasmon polaritons, are theoretically designed and investigated. Liquid–crystal switching is rigorously modeled by solving for the coupled elastic/electrostatic problem, whereas the optical studies are conducted via the finite-element method. Extensive tunability of key optical properties, such as modal index, propagation losses, and modal confinement is demonstrated for waveguides of different optical confinement scale. These highly functional waveguiding structures are proposed as building blocks for the design of functional components, e.g. optical attenuators, directional couplers and switches, in integrated plasmonic chips.

Item Type: Article
Uncontrolled Keywords: Plasmonics; Integrated optics; Liquid–crystal devices
Subjects: 600 Tecnologia - Scienze applicate > 620 Ingegneria e attivita' affini > 621 Fisica applicata; Ingegneria meccanica
Depositing User: Chiara D'Arpa
Date Deposited: 12 Mar 2013 16:22
Last Modified: 22 Mar 2013 11:35

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