Effective modeling of PA-LCoS devices and application in data storage in photopolymers

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Title: Effective modeling of PA-LCoS devices and application in data storage in photopolymers
Authors: Márquez, Andrés | Martínez Guardiola, Francisco Javier | Fernandez, Roberto | Gallego, Sergi | Fenoll Gambín, Sandra | Ortuño, Manuel | Neipp, Cristian | Pascual, Inmaculada | Beléndez, Augusto
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Spatial light modulators | LCoS | Parallel-aligned | Holographic data storage | Photopolymers | Birefringence | Holographic optical components | Phase modulation | Holography
Knowledge Area: Óptica | Física Aplicada | Teoría de la Señal y Comunicaciones
Date Created: 31-May-2016
Issue Date: 17-Nov-2016
Publisher: IEEE
Citation: MÁRQUEZ, Andrés, et al. "Effective modeling of PA-LCoS devices and application in data storage in photopolymers". En: 15th Workshop on Information Optics (WIO), Bahram Javidi, Santiago Vallmitjana and Artur Carnicer, editores, Barcelona, 11-15 July 2016. ISBN 978-1-5090-2163-5
Abstract: Parallel aligned liquid crystal on silicon (PA-LCoS) devices are widely used in many optics and photonics applications to control the amplitude, phase and/or state of polarization (SOP) of light beams. We present a novel model enabling to calculate the voltage dependent retardance provided by PA-LCoS devices for a very wide range of incidence angles and any wavelength in the visible. To our knowledge it represents the most simplified approach still showing predictive capability. We are particularly interested in the application of PA-LCoS microdisplays as the data pager in holographic data storage systems (HDSS). In this work we show both theoretical and experimental results addressing hybrid-ternary modulated (HTM) data pages and using our in-house produced PVA/AA photopolymer as the storage material. We demonstrate that PA-LCoS devices cannot implement pure HTM but a rather close approximation. Experimental results with PVA/AA show bit-error rates (BER) in the range of the threshold for potential application in HDSS (about 10−3).
Sponsor: Work supported by the Ministerio de Trabajo y Competitividad of Spain (projects FIS2014-56100-C2-1-P and FIS2015-66570-P) and by the Generalitat Valenciana of Spain (projects PROMETEOII/2015/015 and ISIC/2012/013) and by the University of Alicante (GRE12-14).
URI: http://hdl.handle.net/10045/61576
ISBN: 978-1-5090-2163-5
DOI: 10.1109/WIO.2016.7745582
Language: eng
Type: info:eu-repo/semantics/conferenceObject
Rights: ©2016 IEEE
Peer Review: si
Publisher version: http://dx.doi.org/10.1109/WIO.2016.7745582
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