The development of color routers(CRs)realizes the splitting of dichromatic components,contributing to the modulation of photon momentum that acts as the information carrier for optical information technology on the fr...The development of color routers(CRs)realizes the splitting of dichromatic components,contributing to the modulation of photon momentum that acts as the information carrier for optical information technology on the frequency and spatial domains.However,CRs with optical stimulation lack active control of photon momentum at deep subwavelength scale because of the optical diffraction limit.Here,we experimentally demonstrate an active manipulation of dichromatic photon momentum at a deep subwavelength scale via electron-induced CRs,where the CRs radiation patterns are manipulated by steering the electron impact position within 60 nm in a single nanoantenna unit.Moreover,an encrypted display device based on programmable modulation of the CR array is designed and implemented.This approach with enhanced security,large information capacity,and high-level integration at a deep subwavelength scale may find applications in photonic devices and emerging areas in quantum information technologies.展开更多
基金supported by the National Science Foundation of China(grant nos.62475015,62305024,12027807,62225501)National Key Research and Development Program of China(grant nos.2021YFB2802100,2020YFA0211300)+1 种基金Young Elite Scientist Sponsorship Program by CAST(grant no.YESS20220080)Beijing Institute of Technology Research Fund Program for Young Scholars(grant no.XSQD-202204007).
文摘The development of color routers(CRs)realizes the splitting of dichromatic components,contributing to the modulation of photon momentum that acts as the information carrier for optical information technology on the frequency and spatial domains.However,CRs with optical stimulation lack active control of photon momentum at deep subwavelength scale because of the optical diffraction limit.Here,we experimentally demonstrate an active manipulation of dichromatic photon momentum at a deep subwavelength scale via electron-induced CRs,where the CRs radiation patterns are manipulated by steering the electron impact position within 60 nm in a single nanoantenna unit.Moreover,an encrypted display device based on programmable modulation of the CR array is designed and implemented.This approach with enhanced security,large information capacity,and high-level integration at a deep subwavelength scale may find applications in photonic devices and emerging areas in quantum information technologies.
