Abstract
We demonstrate a novel all-fiber nanotube Q-switched low-threshold linear cavity tunable erbium-doped fiber laser (EDFL). With a compact and low insertion loss carbon nanotube based saturable absorber connected in a linear EDFL cavity, a low pump threshold of is obtained. The pulse repetition rate can be adjusted from 8.12 to by varying the pump power from 18.57 to . In addition, the emission wavelength can be adjusted from 1545.04 to by tuning the central wavelength of the fiber Bragg grating, which serves as an end mirror of the laser cavity.
© 2010 Optical Society of America
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