Mode-locked thulium fiber laser with MoS2

被引：161

作者：

Tian, Zhen ^{[1
,2
]}

Wu, Kan ^{[3
]}

Kong, Lingchen ^{[1
]}

Yang, Nan ^{[1
]}

Wang, Yao ^{[1
]}

Chen, Rong ^{[1
]}

Hu, Weisheng ^{[2
]}

Xu, Jianqiu ^{[1
,4
]}

Tang, Yulong ^{[1
,4
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Phys & Astron, Key Lab Laser Plasmas, Minist Educ, Shanghai 200240, Peoples R China

[2] Liaocheng Univ, Sch Phys Sci & Informat Engn, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China

[3] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China

[4] Shanghai Jiao Tong Univ, IFSA Collaborat Innovat Ctr, Shanghai 200240, Peoples R China

来源：

LASER PHYSICS LETTERS | 2015年 / 12卷 / 06期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

thulium-doped fiber laser; mode-locking; multilayer MoS2; dissipative soliton; MOLYBDENUM-DISULFIDE MOS2; SATURABLE ABSORBER; LINEWIDTH;

D O I：

10.1088/1612-2011/12/6/065104

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Liquid-phase exfoliated 2D material multilayer MoS2 is transferred onto a gold mirror and its saturable absorption at the 2 mu m wavelength region is experimentally observed. This transferred MoS2 saturable absorber has a modulation depth of 13.6% and a saturation intensity of 23.1 MW cm(-2). This saturable absorber is integrated into a linear Tm3+ fiber laser cavity, and stable fundamental-frequency mode-locking operation is realized at 2 mu m with pulse energy of 15.5 nJ, pulse width of similar to 843 ps, and a repetition rate of 9.67 MHz. The laser spectral width is similar to 17.3 nm with a center wavelength of 1905 nm. This first presence of mode-locking with multilayer MoS2 sheets in the 2 mu m wavelength region verifies that multilayer MoS2 is a good candidate for broadband mode-locking comparable to graphene, as well as a good mode-locker for achieving high pulse energy.

引用

页数：5

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