scholarly journals Pulse width shaping of passively mode-locked soliton fiber laser via polarization control in carbon nanotube saturable absorber

2013 ◽  
Vol 21 (22) ◽  
pp. 27011 ◽  
Author(s):  
Hwanseong Jeong ◽  
Sun Young Choi ◽  
Fabian Rotermund ◽  
Dong-Il Yeom
Molecules ◽  
2021 ◽  
Vol 26 (14) ◽  
pp. 4303
Author(s):  
Ping Hu ◽  
Jiajia Mao ◽  
Hongkun Nie ◽  
Ruihua Wang ◽  
Baitao Zhang ◽  
...  

A saturable absorber (SA) based on niobium diselenide (NbSe2), which is a layered transition metal dichalcogenide (TMD) in the VB group, is fabricated by the optically driven deposition method, and the related nonlinear optical properties are characterized. The modulation depth, saturable intensity, and nonsaturable loss of the as-prepared NbSe2 nanosheet-based SA are measured to be 16.2%, 0.76 MW/cm2, and 14%, respectively. By using the as-fabricated NbSe2 SA, a highly stable, passively Q-switched, erbium-doped, all-fiber laser is realized. The obtained shortest pulse width is 1.49 μs, with a pulse energy of 48.33 nJ at a center wavelength of 1560.38 nm. As far as we know, this is the shortest pulse duration ever obtained by an NbSe2 SA in a Q-switched fiber laser.


2015 ◽  
Vol 74 (8) ◽  
Author(s):  
A. A. Latiff ◽  
M. T. Ahmad ◽  
Z. Zakaria ◽  
H. Ahmad ◽  
S. W. Harun

An 1892.4 nm ultrafast passive Q-switched fiber laser is demonstrated by using Thulium-doped fiber (TDF) in conjunction with a multi-walled carbon nanotubes (MWCNTs) as a saturable absorber (SA). The MWCNTs film is sandwiched between two FC/PC fiber connectors and integrated into the laser cavity with 802 nm pump for Q-switching pulse generation. The pulse repetition rate can be tuned from 3.8 to 4.6 kHz while the corresponding pulse width reduces from 22.1 to 18.4 μs as the pump power is increased from 187.3 to 194.2 mW. A higher performance Q-switched Thulium-doped fiber laser (TDFL) is expected to be achieved with the optimization of the MWCNT-SA saturable absorber and laser cavity.


2018 ◽  
Vol 413 ◽  
pp. 249-254 ◽  
Author(s):  
K.Y. Lau ◽  
E.K. Ng ◽  
M.H. Abu Bakar ◽  
A.F. Abas ◽  
M.T. Alresheedi ◽  
...  

2015 ◽  
Vol 13 (3) ◽  
pp. 030602-30605 ◽  
Author(s):  
S. M. Azooz S. M. Azooz ◽  
F. Ahmad F. Ahmad ◽  
H. Ahmad H. Ahmad ◽  
S. W. Harun S. W. Harun ◽  
B. A. Hamida B. A. Hamida ◽  
...  

2014 ◽  
Vol 12 (s2) ◽  
pp. S21402-321404
Author(s):  
Xinzheng Dong Xinzheng Dong ◽  
Jinrong Tian Jinrong Tian ◽  
Zhenhua Yu Zhenhua Yu ◽  
Yanrong Song Yanrong Song

Author(s):  
Kang Zhang ◽  
Ming Feng ◽  
YangYang Ren ◽  
Jie Yang ◽  
Fang Liu ◽  
...  

Laser Physics ◽  
2013 ◽  
Vol 23 (5) ◽  
pp. 055101 ◽  
Author(s):  
S J Tan ◽  
S W Harun ◽  
F Ahmad ◽  
R M Nor ◽  
N R Zulkepely ◽  
...  

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