Issue 41, 2010
From the journal:

Journal of Materials Chemistry

Using the photoinduced reversible refractive-index change of an azobenzeneco-polymer to reconfigure an optical Bragg grating

Richard M. Parker,ab   James C. Gates,b   Helen L. Rogers,b   Peter G. R. Smithb  and  Martin C. Grossel*a  

* Corresponding authors

a School of Chemistry, University of Southampton, Southampton, UK
E-mail: mcg1@soton.ac.uk
Tel: +44 (0)2380 293153

b Optoelectronics Research Centre, University of Southampton, Southampton, UK

Abstract

A photoactive material has been synthesised in which azobenzene units are attached to a methyl methacrylate/2-hydroxyethyl methacrylate co-polymer and shows repeated photoresponsive switching upon irradiation at 365 nm and 254 nm with long term thermal stability. In combination with a direct UV-written silica-on-silicon Bragg grating, this has been used to fabricate a prototype optical device which undergoes reversible refractive index changes at telecom wavelengths. The 63 GHz tuning response demonstrated by this device has potential applicability for reconfigurable dispersion compensation for use in optical networks.

Graphical abstract: Using the photoinduced reversible refractive-index change of an azobenzene co-polymer to reconfigure an optical Bragg grating

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Article information

DOI
https://doi.org/10.1039/C0JM01334J
Article type
Paper
Submitted
05 May 2010
Accepted
05 Aug 2010
First published
09 Sep 2010

J. Mater. Chem., 2010,20, 9118-9125

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Using the photoinduced reversible refractive-index change of an azobenzene co-polymer to reconfigure an optical Bragg grating

R. M. Parker, J. C. Gates, H. L. Rogers, P. G. R. Smith and M. C. Grossel, J. Mater. Chem., 2010, 20, 9118 DOI: 10.1039/C0JM01334J

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