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Proceedings Paper

Liquid crystal waveguide technologies for a new generation of low-power photonic integrated circuits
Author(s): Antonio d'Alessandro; Luca Martini; Luca Civita; Romeo Beccherelli; Rita Asquini
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Paper Abstract

In this paper we show two approaches to fabricate photonic channels on different substrate technology platforms, in particular silicon and polydimethylsiloxane (PDMS), for flexible photonic integrated circuits. The electro-optic effect and nonlinear optical properties of liquid crystals (LC) allow the realization of low cost and low energy consumption optoelectronic devices operating at both visible and near-infrared wavelengths. High extinction ratio and large tuning range guided wave devices will be presented to be used for both optofluidic and datacom applications, in which both low realization costs and low power consumption are key features. In particular we will show our recent results on polarization independent light propagation in waveguides whose core consists of LC infiltrated in PDMS channels (LC:PDMS waveguides) fully compatible with optofluidic and lab-on-chip microsystems.

Paper Details

Date Published: 11 March 2015
PDF: 8 pages
Proc. SPIE 9384, Emerging Liquid Crystal Technologies X, 93840L (11 March 2015); doi: 10.1117/12.2078891
Show Author Affiliations
Antonio d'Alessandro, Sapienza Univ. di Roma (Italy)
Istituto per la Microelettronica e Microsistemi, CNR (Italy)
Luca Martini, Sapienza Univ. di Roma (Italy)
Luca Civita, Sapienza Univ. di Roma (Italy)
Romeo Beccherelli, Istituto per la Microelettronica e Microsistemi, CNR (Italy)
Rita Asquini, Sapienza Univ. di Roma (Italy)
Istituto per la Microelettronica e Microsistemi, CNR (Italy)

Published in SPIE Proceedings Vol. 9384:
Emerging Liquid Crystal Technologies X
Liang-Chy Chien; Harry J. Coles; Hirotsugu Kikuchi; Ivan I. Smalyukh, Editor(s)

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