title: Reflectivity of transient Bragg reflection gratings in fiber laser with laser-wavelength self-sweeping.
abstract: We present a method for the estimation of the reflection spectra of transient gratings in rare-earth doped fiber lasers having a self-sweeping of laser wavelength. We show that high reflectivities of several tens of percent can be achieved. An example of this is demonstrated through the use of an experimental Yb-doped Fabry-Perot fiber laser. The gratings' spectra are highly asymmetric due to the apodization of the refractive index modulation. The importance of the self-sweeping regime for triggering self-Q-switched laser instabilities is discussed.
authors.forename: P
authors.initials: P
authors.lastname: Peterka
authors.forename: P
authors.initials: P
authors.lastname: Honzátko
authors.forename: P
authors.initials: P
authors.lastname: Koška
authors.forename: F
authors.initials: F
authors.lastname: Todorov
authors.forename: J
authors.initials: J
authors.lastname: Aubrecht
authors.forename: O
authors.initials: O
authors.lastname: Podrazký
authors.forename: I
authors.initials: I
authors.lastname: Kašík
mesh_terms: D065638:Absorption, Radiation; D007834:Lasers; D008962:Models, Theoretical; D055100:Optical Fibers; D055620:Optical Phenomena; D012031:Refractometry; D013057:Spectrum Analysis; D013997:Time Factors; D015018:Ytterbium / Q000737:chemistry
chemical_list: D015018:Ytterbium