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Modelling, design and analysis of liquid crystal waveguides in preferentially etched silicon grooves (Articolo in rivista)

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Label

Modelling, design and analysis of liquid crystal waveguides in preferentially etched silicon grooves (Articolo in rivista) (literal)

Anno

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Alternative label

B. Bellini; R. Beccherelli (2009)
Modelling, design and analysis of liquid crystal waveguides in preferentially etched silicon grooves
in Journal of physics. D, Applied physics (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
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1. Consiglio Nazionale delle ricerche - Istituto per la Microelettronica e Microsistemi, Roma, Italia (literal)

Titolo

Modelling, design and analysis of liquid crystal waveguides in preferentially etched silicon grooves (literal)

Abstract

This paper presents a fully consistent theoretical framework for liquid crystal (LC) channel waveguides that have been experimentally demonstrated in previous publications. We revise the optical design of the LC waveguides in silicon grooves and implement here a vectorial, fully consistent model of the LC waveguide electro-optical behaviour, based on the finite element method. The numerical investigation shows that LC waveguides demonstrate properties of propagation control and switching. They switch on and off with a low applied voltage. We discuss the major design parameters of the device and the effect of loss-inducing control electrodes. (literal)

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