Nondispersive Space–Time Wave Packets Propagating in Dispersive Media
H. He, Cheng Guo, Meng Xiao
Abstract
Abstract Space–time wave packets can propagate invariantly in free space with arbitrary group velocity thanks to the spatio‐temporal correlation. Here it is proved that the space–time wave packets are stable in dispersive media as well and free from the spread in time caused by material dispersion. Furthermore, the law of anomalous refraction for space–time wave packets is generalized to the weakly dispersive situation. These results reveal new potential of space–time wave packets for the applications in real dispersive media.
Topics & Concepts
Wave packetNetwork packetDispersion (optics)Space timeSpacetimePhysicsFree spaceSpace (punctuation)Group velocityDispersion relationRefractionOpticsComputational physicsComputer scienceQuantum mechanicsEngineeringOperating systemChemical engineeringComputer networkOrbital Angular Momentum in OpticsPhotonic and Optical DevicesPlasmonic and Surface Plasmon Research