Spin-dependent phenomena at chiral temporal interfaces.

ABSTRACT: Temporally varying electromagnetic media have been extensively investigated recently to unveil new means for controlling light. However, spin-dependent phenomena in such media have not been explored thoroughly. Here, we reveal the existence of spin-dependent phenomena at a temporal interface between chiral and dielectric media. In particular, we show theoretically and numerically that due to the material discontinuity in time, linearly polarized light is split into forward-propagating right-handed and left-handed circularly polarized waves having different angular frequencies and the same phase velocities. This salient effect allows complete temporal separation of the two spin states of light with high efficiency. In addition, a phenomenon of spin-dependent gain/loss is obser

SUBMITTER: Mostafa MHM 

PROVIDER: S-EPMC11501299 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature