Polarimetric and diffractive evaluation of 3.74 micron pixel-size LCoS in the telecommunications C-band

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Title: Polarimetric and diffractive evaluation of 3.74 micron pixel-size LCoS in the telecommunications C-band
Authors: Wang, Mi | Martínez Guardiola, Francisco Javier | Márquez, Andrés | Ye, Yabin | Zong, Liangjia | 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 | Huawei Technologies Duesseldorf GmbH (Germany) | Huawei Technologies Co., Ltd. (China)
Keywords: Liquid-crystal devices | Parallel-aligned | Birefringence | Spatial light modulators | Wavelength selective switch (WSS) | Optical interconnects | Crosstalk
Knowledge Area: Óptica | Física Aplicada
Date Created: 1-Jul-2017
Issue Date: 24-Aug-2017
Publisher: SPIE, The International Society for Optics and Photonics
Citation: Mi Wang; Francisco J. Martínez; Andrés Márquez; Yabin Ye; Liangjia Zong; Inmaculada Pascual; Augusto Beléndez. Polarimetric and diffractive evaluation of 3.74 micron pixel-size LCoS in the telecommunications C-band. Proc. SPIE 10395, Optics and Photonics for Information Processing XI, 103951J (24 August 2017); doi: 10.1117/12.2277451
Abstract: Liquid-crystal on Silicon (LCoS) microdisplays are one of the competing technologies to implement wavelength selective switches (WSS) for optical telecommunications. Last generation LCoS, with more than 4 megapixels, have decreased pixel size to values smaller than 4 microns, what increases interpixel cross-talk effects such as fringing-field. We proceed with an experimental evaluation of a 3.74 micron pixel size parallel-aligned LCoS (PA-LCoS) device. At 1550 nm, for the first time we use time-average Stokes polarimetry to measure the retardance and its flicker magnitude as a function of voltage. We also verify the effect of the antireflection coating when we try to characterize the PA-LCoS out of the designed interval for the AR coating. Some preliminary results for the performance for binary gratings are also given, where the decrease of modulation range with the increase in spatial frequency is shown, together with some residual polarization effects.
Sponsor: Work supported by Ministerio de Economía, Industria y Competitividad (Spain) (FIS2014-56100-C2-1-P and FIS2015- 66570-P) and by Generalitat Valenciana (Spain) (PROMETEO II/2015/015). This work has been supported by the EC through H2020 project ROAM (Grant no: 645361 www.roam-project.eu ).
URI: http://hdl.handle.net/10045/69627
ISBN: 9781510612471
ISSN: 0277-786X | 1996-756X (Online)
DOI: 10.1117/12.2277451
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright 2017 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 10395, and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Peer Review: si
Publisher version: http://dx.doi.org/10.1117/12.2277451
Appears in Collections:Research funded by the EU
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