Guided-wave liquid-crystal photonics

Zografopoulos, Dimitrios C. and Asquini , Rita and Kriezis, Emmanouil E. and d’Alessandro, Antonio and Beccherelli, Romeo (2012) Guided-wave liquid-crystal photonics. Lab on a Chip , 12. pp. 3598-3610. ISSN 1473-0197

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In this paper we review the state of the art in the field of liquid-crystal tunable guided-wave photonic devices, a unique type of fill-once, molecular-level actuated, optofluidic systems. These have recently attracted significant research interest as potential candidates for low-cost, highly functional photonic elements. We cover a full range of structures, which span from micromachined liquid-crystal on silicon devices to periodic structures and liquid-crystal infiltrated photonic crystal fibers, with focus on key-applications for photonics. Various approaches on the control of the LC molecular orientation are assessed, including electro-, thermo- and all-optical switching. Special attention is paid to practical issues regarding liquid-crystal infiltration, molecular alignment and actuation, low-power operation, as well as their integrability in chip-scale or fiber-based devices.

Item Type: Article
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 16:21
Last Modified: 12 Mar 2013 16:21

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