title: Graphene-controlled fiber Bragg grating and enabled optical bistability.
abstract: We report a graphene-assisted all-optical control of a fiber Bragg grating (FBG), which enables in-fiber optical bistability and switching. With an optical pump, a micro-FBG wrapped by graphene evolves into chirped and phase-shifted FBGs, whose characteristic wavelengths and bandwidths could be controlled by the pump power. Optical bistability and multistability are achieved in the controlled FBG based on a shifted Bragg reflection or Fabry-Perot-type resonance, which allow the implementation of optical switching with an extinction ratio exceeding 20 dB and a response time in tens of milliseconds.
authors.forename: Xuetao
authors.initials: X
authors.lastname: Gan
authors.forename: Yadong
authors.initials: Y
authors.lastname: Wang
authors.forename: Fanlu
authors.initials: F
authors.lastname: Zhang
authors.forename: Chenyang
authors.initials: C
authors.lastname: Zhao
authors.forename: Biqiang
authors.initials: B
authors.lastname: Jiang
authors.forename: Liang
authors.initials: L
authors.lastname: Fang
authors.forename: Dongying
authors.initials: D
authors.lastname: Li
authors.forename: Hao
authors.initials: H
authors.lastname: Wu
authors.forename: Zhaoyu
authors.initials: Z
authors.lastname: Ren
authors.forename: Jianlin
authors.initials: J
authors.lastname: Zhao