Title :
Er-Yb femtosecond ring fiber oscillator with 1.1-W average power and GHz repetition rates
Author :
Panasenko, D. ; Polynkin, P. ; Polynkin, A. ; Moloney, J.V. ; Mansuripur, M. ; Peyghambarian, N.
Author_Institution :
Coll. of Opt. Sci., Univ. of Arizona, Tucson, AZ, USA
fDate :
4/1/2006 12:00:00 AM
Abstract :
We report an all-fiber passively mode-locked femtosecond laser oscillator based on the heavily doped Er-Yb phosphate-glass active fiber. Only 20 cm of the gain fiber is sufficient to produce as much as 1.1 W of average output power at 1.5 μm directly from the oscillator. The laser can be harmonically mode-locked at repetition rates ranging from 1.7 to 7.2 GHz by adjusting the polarization bias in the cavity. The pulsewidth varies from 300 to 570 fs at the lowest and the highest repetition rate, respectively, and the maximum peak pulse power exceeds 1 kW.
Keywords :
erbium; fibre lasers; laser cavity resonators; laser mode locking; optical pulse generation; phosphate glasses; ring lasers; ytterbium; 1.1 W; 1.5 mum; 1.7 to 7.2 GHz; 20 cm; 300 to 570 fs; Er-Yb femtosecond ring fiber oscillator; passive mode-locking; phosphate-glass active fiber; polarization bias; pulsewidth; Fiber lasers; Laser mode locking; Optical fiber communication; Optical fiber polarization; Optical pulses; Power generation; Ring lasers; Ring oscillators; Solitons; Ultrafast optics; Fiber lasers; mode-locked lasers; solitons;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.871821
