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Electro-activation and electro-morphing of photorefractive funnel waveguides
A Pierangelo1, A Ciattoni, E Palange
1Dipartimento di Ingegneria Elettrica e dell'Informazione, Universita' dell'Aquila, 67100 L'Aquila, Italy.
Optics Express
|January 7, 2010
Abstract:
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.
