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Proceedings Paper

Electro-optical behavior of an integrated device based on a liquid crystal waveguide
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Paper Abstract

The integrated optical devices represent the most innovative result of the research in the photonics field. New horizons can be open by introduction of new materials and advanced techniques. The applications depend on the properties of the considered materials and their response times to external applied field. In this article we present an integrated device in a three-stage planar waveguide, having as middle stage a nematic liquid crystal film. We studied the device performance with TE polarized input light. By a proper choice of the material parameters and of the driving voltages we got time response in the microsecond range. Our experimental results confirm the possibility of employing such a device working as optical switch and/or beam deflector. A further analysis is in progress in order to explain an anomalous electro-optical behavior occurred for higher applied voltages.

Paper Details

Date Published: 26 March 1999
PDF: 8 pages
Proc. SPIE 3620, Integrated Optics Devices III, (26 March 1999); doi: 10.1117/12.343722
Show Author Affiliations
Lucia Petti, Istituto di Cibernetica (Italy)
Pasquale Mormile, Istituto di Cibernetica (Italy)
Massimiliano Furioso, INFM and Univ. degli Studi di Napoli Federico II (Italy)
Giancarlo C. Righini, IROE/CNR (Italy)
Luigi Sirleto, IROE/CNR (Italy)
Giancarlo Abbate, INFM and Univ. degli Studi di Napoli Federico II (Italy)


Published in SPIE Proceedings Vol. 3620:
Integrated Optics Devices III
Giancarlo C. Righini; S. Iraj Najafi, Editor(s)

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