Electro-Optic Modulation of Light by a Planar Waveguide Based on Ferroelectric Liquid Crystals

We present electro-optic switching from a planar waveguide with a ferroelectric liquid crystal overlayer and discuss the operating principle and the parameters significant for the operation of the device. We have found electro-optic response times of about 20 μs at best as well as a high (5.7%) tran...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 2000-11, Vol.352 (1), p.379-388
Main Authors: Hermann, David Sparre, Marco, Francesco De, Scalia, Giusy, Sirleto, Luigi, Righini, Giancarlo, Lindgren, Mikael, Abbate, Giancarlo
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electro-Optics
Electronics
Exact sciences and technology
Ferroelectric Liquid Crystals
Guided Modes
Integrated Optics
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Radiation Modes
Waveguide
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Summary:We present electro-optic switching from a planar waveguide with a ferroelectric liquid crystal overlayer and discuss the operating principle and the parameters significant for the operation of the device. We have found electro-optic response times of about 20 μs at best as well as a high (5.7%) transmittance in the ON-state of the device. The contrast ratio was 4:1 ON to OFF state.
ISSN:1058-725X
DOI:10.1080/10587250008023196