72 citations · 512 across the 26 of their papers we have counts for
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Terahertz optically tunable dielectric metamaterials without microfabrication
Carlo Rizza, Alessandro Ciattoni, Lorenzo Columbo +2
We theoretically investigate the terahertz dielectric response of a semiconductor slab hosting an infrared photoinduced grating. The periodic structure is due to the charge carries…
Terahertz active spatial filtering through optically tunable hyperbolic metamaterials
Carlo Rizza, Alessandro Ciattoni, Elisa Spinozzi +1
We theoretically consider infrared-driven hyperbolic metamaterials able to spatially filtering terahertz radiation. The metamaterial is a slab made of alternating semiconductor and…
A hybrid soliton-based system: generation and steering of cavity solitons by means of photorefractive soliton electro-activation
Lorenzo Columbo, Carlo Rizza, Massimo Brambilla +2
We propose a hybrid soliton-based system consisting of a centrosymmetric photorefractive crystal, supporting photorefractive solitons, coupled to a vertical cavity surface emitting…