Nature CommunicationsStable ultrafast graphene hot-electron source on optical fiberGuangjie YaoHao HongXu ZhouKaifeng LinHuazhan LiuYilong YouChang LiuKe ChenChi LiJianbo YinZhujun WangXuewen FuQing DaiDapeng YuKaihui Liu2025-07-01Full textDOI https://doi.org/10.1038/s41467-025-60915-x