All-fiber widely tunable mode-locked thulium-doped laser using a curvature multimode interference filter

被引：34
|
作者：
Li, N. [1 ]
Liu, M. Y. [1 ]
Gao, X. J. [1 ]
Zhang, L. [2 ]
Jia, Z. X. [1 ]
Feng, Y. [2 ]
Ohishi, Y. [3 ]
Qin, G. S. [1 ]
Qin, W. P. [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[3] Toyota Technol Inst, Res Ctr Adv Photon Technol, Nagoya, Aichi 4688511, Japan
来源：
LASER PHYSICS LETTERS | 2016年 / 13卷 / 07期
关键词：
multimode interference filter; tunable fiber laser; mode-locked; 2; MU-M; POWER;
D O I：
10.1088/1612-2011/13/7/075103
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrated a widely tunable mode-locked thulium doped fiber laser (TDFL) by using a homemade multimode interference filter (MMIF). The MMIF had a structure of single mode fiber (SMF)-multimode fiber (MMF)-SMF and three main transmission peaks at 1901.2, 1957.2 and 2043.2 nm. By mechanically bending the MMIF, the three main transmission peaks were tuned in the range of 1860-2024 nm due to multimode interference effect. By inserting the MMIF into a passively mode-locked TDFL cavity pumped by a 1570 nm fiber laser, a tunable mode-locked TDFL with a tuning range of 1919.6-2014.9 nm was achieved by adjusting the MMIF. To the best of our knowledge, such a tunable range is the largest among all-fiber tunable mode-locked TDFLs.
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页数：5
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