Electro-activation and electro-morphing of photorefractive funnel waveguides

A. Pierangelo*, A. Ciattoni, E. Palange, A. J. Agranat, E. DelRe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We demonstrate the electro-activation of funnel waveguides through the quadratic electro-optic effect in paraelectric potassiumlithium-tantalate- niobate. This allows us to achieve electro-optic intensity modulation in a single optical beam, a 1x2 switch, and finally the electrically controlled morphing of a single waveguide into a 1x2 and a 1x4 divider.

Original languageAmerican English
Pages (from-to)22659-22665
Number of pages7
JournalOptics Express
Issue number25
StatePublished - 7 Dec 2009


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