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Title: Wideband-tunable nanotube Q-switched low threshold erbium doped fiber laser
Authors: Dong, B.
Hu, J.
Liaw, C.-Y.
Hao, J.
Yu, C. 
Issue Date: 1-Apr-2011
Citation: Dong, B., Hu, J., Liaw, C.-Y., Hao, J., Yu, C. (2011-04-01). Wideband-tunable nanotube Q-switched low threshold erbium doped fiber laser. Applied Optics 50 (10) : 1442-1445. ScholarBank@NUS Repository.
Abstract: An all-fiber passively wideband-tunable nanotube Q-switched low threshold erbium doped fiber laser is presented. With a low insertion loss carbon nanotube based saturable absorber, C- and L-band tunable Q-switched lasers are achieved by tuning the transmission wavelength of one C-band tunable filter and the other L-band one, respectively. The threshold of the Q-switched operation is only 12:8mW. The selfmode- locking effect on the Q-switching can be effectively reduced by introducing a spatial hole burning effect with two optical circulators. The tunable wavelength range of the Q-switching laser can be changed by inserting a variable optical attenuator in the laser cavity to tune the gain spectrum. © 2011 Optical Society of America.
Source Title: Applied Optics
ISSN: 1559128X
DOI: 10.1364/AO.50.001442
Appears in Collections:Staff Publications

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