Title :
Fiber Laser Coherent Array for Power Scaling, Bandwidth Narrowing, and Coherent Beam Direction Control
Author :
Shirakawa, Akira ; Ueda, Ken-ichi
Author_Institution :
Institute for Laser Science, University of Electro-Communications, Japan; akira@ils.uec.ac.jp
Abstract :
A 12-MHz-bandwidth fiber laser is reported by coherently arraying eight 10-nm-bandwidth lasers with an 85% addition efficiency. By threshold control of the supermodes, high-speed (> 1kHz), high-contrast-ratio (> 20dB) beam direction control has been demonstrated.
Keywords :
Bandwidth; Fiber lasers; Laser beams; Laser theory; Optical arrays; Optical control; Optical fiber couplers; Optical fiber polarization; Power lasers; Pump lasers;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569653
