title: Two-wavelength ytterbium-doped fiber laser with sustained relaxation oscillation.
abstract: Dual-wavelength radiation around 1044 nm and 1070 nm has been generated directly from a cladding pumped Yb-doped fiber laser. Outputs of the two wavelengths exhibit sustained relaxation oscillation with anticorrelated dynamics. Modeling of the transient built up of the free-running laser shows the two-wavelength behavior can be attributed to the existence of two gain peaks of Yb-doped fiber under intermediate pump conditions.
authors.affiliation: Department of Electrical and Computer Engineering, University of Alberta,Edmonton, Alberta, Canada, T6G 2V4.
authors.forename: Lei
authors.initials: L
authors.lastname: Pan
authors.forename: Ilya
authors.initials: I
authors.lastname: Utkin
authors.forename: Robert
authors.initials: R
authors.lastname: Fedosejevs