title: Electro-activation and electro-morphing of photorefractive funnel waveguides.
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.
authors.affiliation: Dipartimento di Ingegneria Elettrica e dell'Informazione, Universita' dell'Aquila, 67100 L'Aquila, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Pierangelo
authors.forename: A
authors.initials: A
authors.lastname: Ciattoni
authors.forename: E
authors.initials: E
authors.lastname: Palange
authors.forename: A J
authors.initials: AJ
authors.lastname: Agranat
authors.forename: E
authors.initials: E
authors.lastname: DelRe
mesh_terms: D017076:Computer-Aided Design; D004574:Electromagnetic Fields; D004581:Electronics / Q000295:instrumentation*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008027:Light; D055096:Optical Devices; D012031:Refractometry / Q000295:instrumentation*; D012542:Scattering, Radiation