期刊
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
卷 11, 期 1, 页码 73-84出版社
ELSEVIER
DOI: 10.1016/j.photonics.2012.08.004
关键词
Plasmonics; Integrated optics; Liquid-crystal devices
资金
- EU Marie-Curie grant ALLOPLASM [FP7-PEOPLE-2010-IEF-273528]
- European FP7 project PLATON [249135]
- THALES Project ANEMOS
- European Union (European Social Fund - ESF)
- Greek National Funds through the Operational Program Education and Lifelong Learning of the National Strategic Reference Framework (NSRF) Investing in knowledge society through the European Social Fund
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. (C) 2012 Elsevier B.V. All rights reserved.
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