Title :
Mode control in large-mode-area fiber lasers via gain filtering
Author :
Marciante, J.R. ; Roides, R.G.
Author_Institution :
Lab. for Laser Energetics, Univ. of Rochester, Rochester, NY, USA
Abstract :
Gain filtering of higher-order modes in large-mode-area fibers is experimentally demonstrated. While the beam quality degrades with pumping level in conventional fiber lasers, it remains constant in confined-gain fiber lasers due to gain filtering.
Keywords :
fibre lasers; laser beams; laser modes; optical control; optical pumping; beam quality; gain filtering; higher-order modes; large-mode-area fiber lasers; laser mode control; optical pumping level; Fiber lasers; Filtering; Laser beams; Laser excitation; Laser modes; Optical control; Optical waveguides; Power lasers; Pump lasers; Waveguide lasers; (060.2320) Fiber optics amplifiers and oscillators; (060.2430) Fibers, single-mode; (140.3510) Lasers, fiber; (140.5560) Pumping; (230.7370) Waveguides;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
