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Tunable high energy pulses with a low repetition rate from a passively mode-locked Yb-doped fiber laser

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4 Author(s)
Xiaojun Zhu ; Key Lab. of Modern Opt. Technol. of Educ. Minist. of China, Soochow Univ., Suzhou, China ; Chinhua Wang ; Shixin Liu ; Guiju Zhang

A tunable, low-repetition rate, all-normal-dispersion Yb-doped fiber laser (YDFL) that is passively mode locked based on phase shift long period fiber grating (PS-LPFG) is demonstrate and proposed. The mode-locking mechanism of the laser is based on nonlinear polarization evolution (NPE). Using a PS-LPFG as the spectral filters in the laser cavity, the mode-locked output wavelength can be tuned continuously and smoothly over a spectral range of 10nm, it is the maximum tunable range of the giant chirped pulse with all-fiber format bandpass filter in YDFL as we known.

Published in:

Electronics and Optoelectronics (ICEOE), 2011 International Conference on  (Volume:2 )

Date of Conference:

29-31 July 2011