title: Writing of Bragg gratings through the polymer jacket of low-loss As2S3 fibers using femtosecond pulses at 800 nm.
abstract: Fiber Bragg gratings (FBG) were written through the polymer jacket of low-loss single mode As(2)S(3) chalcogenide fibers by using femtosecond laser pulses at 800 nm and a phase-mask. Peak reflectivity in excess of 99% was obtained at 3440 nm after 5 min of exposure. The resulting FBG maintained a peak reflectivity of 90% after 64 min of thermal annealing at 100 °C. This demonstration paves the way to the development of all-fiber mid-infrared laser sources.
authors.affiliation: Center for Optics, Photonics, and Lasers, Université Laval, Québec, Canada. martin.bernier@copl.ulaval.ca
authors.forename: M
authors.initials: M
authors.lastname: Bernier
authors.forename: M
authors.initials: M
authors.lastname: El-Amraoui
authors.forename: J F
authors.initials: JF
authors.lastname: Couillard
authors.forename: Y
authors.initials: Y
authors.lastname: Messaddeq
authors.forename: R
authors.initials: R
authors.lastname: Vallée