Ytterbium-sensitized thulium-doped fiber laser with a single-mode output operating at 1900-nm region  

作　　者：S. W. Harun A. Halder M. C. Paul S. M. M. Ali N. Saidin S. S. A. Damanhuri H. Ahmad S. Das M. Pal S. K. Bhadra 

机构地区：[1]Department of Electrical Engineering, Faculty of Engineering, University of Malaya [2]Fiber Optics and Photonics Division, Central Glass and Ceramic Research Institute, CSIR, Kolkata, India [3]Photonics Laboratory, Department of Physics, University of Malaya

出　　处：《Chinese Optics Letters》2012年第10期35-37,共3页中国光学快报（英文版）

基　　金：the Department of Science and Technology of the government of India for their financial assistance;S. W. Harun would like to thank the University of Malaya for the financial support provided under the HIR Grant No.D000009-16001

摘　　要：A single-mode laser is demonstrated using a newly developed double-clad thulium-ytterbium-doped fiber （TYDF） in a linear cavity formed by two fiber Bragg gratings （FBGs）. The YTF used is drawn from a D-shape preform fabricated using the modified chemical vapor deposition and solution doping technique. The laser is operated at 1 901.6 nm via the transition of thulium ions from 3F4 to 3H6 with the assistance of ytterbium to thulium ion energy transfer. The efficiencies of the laser are 0.71% and 0.75% at 927- and 905-nm multimode pumping, respectively. The thresholds of the launched pump power for 927- and 905-nm pumping are 1 314 and 1 458 mW, respectively. A 7-mW output is obtained at a 905-nm pump power of 2 400 mW.A single-mode laser is demonstrated using a newly developed double-clad thulium-ytterbium-doped fiber （TYDF） in a linear cavity formed by two fiber Bragg gratings （FBGs）. The YTF used is drawn from a D-shape preform fabricated using the modified chemical vapor deposition and solution doping technique. The laser is operated at 1 901.6 nm via the transition of thulium ions from 3F4 to 3H6 with the assistance of ytterbium to thulium ion energy transfer. The efficiencies of the laser are 0.71% and 0.75% at 927- and 905-nm multimode pumping, respectively. The thresholds of the launched pump power for 927- and 905-nm pumping are 1 314 and 1 458 mW, respectively. A 7-mW output is obtained at a 905-nm pump power of 2 400 mW.

关 键 词：MODE NM 

分 类 号：TN248[电子电信—物理电子学] TN253