Title :
All-fiber phase-locked multi-core photonic crystal fiber laser with fill-factor enhancement and high efficiency
Author :
Shirakawa, Akira ; Kobayashi, Tetsuya ; Matsumoto, Michio ; Ueda, Ken-ichi
Author_Institution :
Inst. for Laser Sci., Univ. of Electro-Commun., Chofu, Japan
Abstract :
We report large-mode-area Yb-doped 6-core photonic crystal fiber laser in in-phase supermode operation. A monolithic Talbot device, enhancing the fill-factor in fiber and central-lobe fraction in the far-field profile, was demonstrated with 84% slope efficiency.
Keywords :
optical fibre amplifiers; optical phase locked loops; photonic crystals; all-fiber phase-locked multi-core photonic crystal fiber laser; fill-factor enhancement; high efficiency; in-phase supermode operation; Fiber lasers; Laser beams; Laser excitation; Laser theory; Mirrors; Optical arrays; Optical fiber devices; Optical resonators; Phased arrays; Photonic crystal fibers;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2