Graphene-surface waveguide optical fiber, all-optical modulation probe and all-optical modulator

摘要

#$%^&*AU2020102118A420201015.pdf#####ABSTRACT The invention relates to a graphene-surface waveguide optical fiber, an all-optical modulation probe and an all-optical modulator, wherein the graphene-surface waveguide optical fiber comprises a coreless optical fiber, a first single-mode optical fiber and a second single-mode optical fiber; two ends of the coreless optical fiber are respectively welded with the first single-mode optical fiber and the second single-mode optical fiber; a femtosecond-fabricated waveguide is arranged in the coreless optical fiber; two ends of the femtosecond-fabricated waveguide are respectively connected with a fiber core of the first single-mode optical fiber and a fiber core of the second single-mode optical fiber, and the femtosecond-fabricated waveguide has an evanescent field on a surface of the coreless optical fiber; and the coreless optical fiber is covered with graphene on the surface where the evanescent field is located.11 431 4143 4L Fiber --e--- -- -- -IFie core FIG.1 431 43 FIG.2 Pump light source All-optical 1 Optical fiber coupler modulation probe Signal light source 3 4 2F FIG. 3