Title :
Generation of 9.3-W multimode and 4-W single-mode output from 7-cm short fiber lasers
Author :
Qiu, T. ; Li, L. ; Schülzgen, A. ; Temyanko, V.L. ; Luo, T. ; Jiang, S. ; Mafi, A. ; Moloney, J.V. ; Peyghambarian, N.
Author_Institution :
Opt. Sci. Center, Univ. of Arizona, Tucson, AZ, USA
Abstract :
We generate 9.3-W continuous-wave 1535-nm multimode output from a 7.0-cm short-length Er-Yb codoped phosphate fiber laser. A slope efficiency of 29% is obtained at pump powers below 27 W. Very high output power per unit fiber length of 1.33 W/cm is achieved. From another 7.1-cm Er-Yb codoped fiber laser, 4.0-W single-transverse-mode output with M2≈1.1 is generated.
Keywords :
erbium; fibre lasers; laser modes; optical glass; optical pumping; phosphate glasses; ytterbium; 1535 nm; 29 percent; 4 W; 7 cm; 7.1 cm; 9.3 W; Er-Yb codoped phosphate fiber laser; PO4:Er,Yb; continuous-wave lasers; multimode output generation; optical pumping; short-length fiber lasers; single-mode output generation; single-transverse mode output; Erbium-doped fiber lasers; Fiber lasers; Glass; Laser modes; Laser theory; Optical fiber devices; Optical fibers; Power generation; Power lasers; Pump lasers; Continuous-wave lasers; erbium (Er); optical fiber lasers; optical glass; ytterbium (Yb);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.836352
