title: Wavelength conversion in Er(3+) doped chalcogenide fibers for optical gas sensors.
abstract: We report for the first time the conversion of incoherent infrared light around 4.4µm into a near-infrared signal at 810nm in erbium-doped GaGeSbS fibers and bulk glass samples. This energy conversion is made possible by pumping erbium doped chalcogenide samples at 982 nm and simultaneously exciting them with a 4.4µm infrared signal. This result paves the way for the development of an "all-optical" gas sensor able to detect various gas traces using a remote detection based on commercial silica fibers.
authors.forename: A L
authors.initials: AL
authors.lastname: Pelé
authors.forename: A
authors.initials: A
authors.lastname: Braud
authors.forename: J L
authors.initials: JL
authors.lastname: Doualan
authors.forename: R
authors.initials: R
authors.lastname: Chahal
authors.forename: V
authors.initials: V
authors.lastname: Nazabal
authors.forename: C
authors.initials: C
authors.lastname: Boussard-Plédel
authors.forename: B
authors.initials: B
authors.lastname: Bureau
authors.forename: R
authors.initials: R
authors.lastname: Moncorgé
authors.forename: P
authors.initials: P
authors.lastname: Camy