Vincent Ginis

Refracting spacetime wave packets

V Ginis, M Piccardo, M Tamagnone, J Lu, M Qiu, S Kheifets, F Capasso
A particular class of focused, pulsed light beams can propagate self-similarly in free space at a fixed group velocity. Now, scientists present a law of refraction that determines how the group velocity of these beams changes as they refract at an interface between two materials..