We propose the generation of 3D linear light bullets propagating in free space using a single passive nonlocal optical surface.The nonlocal nanophotonics can generate space–time coupling without any need for bulky pu...We propose the generation of 3D linear light bullets propagating in free space using a single passive nonlocal optical surface.The nonlocal nanophotonics can generate space–time coupling without any need for bulky pulse-shaping and spatial modulation techniques.Our approach provides simultaneous control of various properties of the light bullets,including the external properties such as the group velocity and the propagation distance,and internal degrees of freedom such as the spin angular momentum and the orbital angular momentum.展开更多
基金This work is supported by the U.S.National Science Foundation Grant No.CBET-1641069by a Vannevar Bush Faculty Fellowship from the U.S.Department of Defense(Grant No.N00014-17-1-3030)+1 种基金by the U.S.Office of Naval Research(Grant No.N00014-20-1-2450)M.X.is supported by the National Natural Science Foundation of China(Grant No.11904264).
文摘We propose the generation of 3D linear light bullets propagating in free space using a single passive nonlocal optical surface.The nonlocal nanophotonics can generate space–time coupling without any need for bulky pulse-shaping and spatial modulation techniques.Our approach provides simultaneous control of various properties of the light bullets,including the external properties such as the group velocity and the propagation distance,and internal degrees of freedom such as the spin angular momentum and the orbital angular momentum.
