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All-Optical Controlled Mach-Zehnder Based Variable Optical Attenuator Using Photochromic Sol Gel Material

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Abstract

We report an all-optical controlled variable optical attenuator using a photochromic sol gel material. Optical attenuation is achieved in a waveguide based Mach-Zehnder interferometric device configuration through phase modulation by means of sol gel photochromism.

© 2005 Optical Society of America

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