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
X. Ke, M. R. Wang, S. Song, D. Li, and J. J. Yang, "All-Optical Controlled Mach-Zehnder Based Variable Optical Attenuator Using Photochromic Sol Gel Material," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper FThQ3.
References are not available for this paper.