Open AccessPhase locking of an array of three fiber lasers by an all-fiber coupling loop
Author(s) -
Bing Lei,
Yan Feng
Publication year - 2007
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.15.017114
Subject(s) - optics , fiber laser , materials science , phase locking , coupling (piping) , polarization maintaining optical fiber , fiber , dispersion shifted fiber , graded index fiber , laser , loop (graph theory) , optical fiber , fiber optic sensor , optoelectronics , physics , diode , metallurgy , composite material , mathematics , combinatorics
Constructing a phase-locking array of fiber lasers by an all-fiber coupling loop is presented, and the loop is composed of multiple 2x2 fiber couplers which are connected with the output ends of component fiber lasers of the array. Due to the mutual injection locking among the fiber lasers by the coupling loop, they can achieve the phase-locking states and then are coherently combined in the far field. Phase locking of an array of three fiber lasers with this configuration has been demonstrated experimentally, and obvious interference patterns and stable coherent output have been observed.