scholarly journals Dual-wavelength rectangular pulse Yb-doped fiber laser using a microfiber-based graphene saturable absorber

2014 ◽  
Vol 22 (9) ◽  
pp. 10906 ◽  
Author(s):  
Nian Zhao ◽  
Meng Liu ◽  
Hao Liu ◽  
Xu-Wu Zheng ◽  
Qiu-Yi Ning ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Saturable Absorber ◽  
Rectangular Pulse ◽  
Dual Wavelength ◽  
Graphene Saturable Absorber

scholarly journals Dual-wavelength passively Q-switched Erbium-doped fiber laser with MWCNTs slurry as saturable absorber

2016 ◽  
Vol 8 (4) ◽  
pp. 98 ◽  
Author(s):  
Siti Nur Fatin Zuikafly ◽  
Fauzan Ahmad ◽  
Mohd Haniff Ibrahim ◽  
Anas Abdul Latiff ◽  
Sulaiman Wadi Harun
Keyword(s):  
Carbon Nanotubes ◽  
Pump Power ◽  
Fiber Laser ◽  
Saturable Absorber ◽  
Dual Wavelength ◽  
Erbium Doped ◽  
Laser Optics ◽  
Multi Walled Carbon Nanotubes ◽  
Graphene Saturable Absorber ◽  
Walled Carbon Nanotubes

In this work, a compact, stable dual-wavelength Q-switched laser with a multi-walled carbon nanotubes (MWCNTs) slurry as saturable absorber (SA) which is independent of any host polymer has been demonstrated. The MWCNTs slurry is fabricated and the peak shift is investigated using Raman spectroscopy.The passively Q-switched erbium-doped fiber laser (EDFL) oscillated simultaneously at 1532.32 nm and 1556.97 nm with 24.67 nm peak separation, at threshold and maximum input power of 26mW and 74mW respectively.By increasing the input pump power from 36 mW to 74 mW, the pulse train repetition rate increases from 25 kHz to 78 kHz, while the pulse width is reduced from 17.84 us to 5.24 ?s. The generated pulse produced maximum pulse energy and maximum peak power of 11.97 nJ and 2.05 mW, respectively at maximum input pump power. The recorded signal to noise ratio is about 62 dB and shows that the proposed MWCNTs slurry based SAis able to generate dual wavelength Q-switched pulse laser with high stability pulse. Full Text: PDF ReferencesL.Liu, Z. Zheng, X. Zhao,S. Sun, Y. Bian, Y. Su, J. Liu, and J. Zhu, "Dual-wavelength passively Q-switched Erbium doped fiber laser based on an SWNT saturable absorber", Optics Communications 294, 267 (2013). CrossRef Z. Luo, M. Zhou, J. Weng, G. Huang, H. Xu, C. Ye, and Z. Cai, "Graphene-based passively Q-switched dual-wavelength erbium-doped fiber laser", Optics Letters 35, 3709 (2010). CrossRef F. Lou, R. Zhao, J. He, Z. Jia, X. Su, Z. Wang, J. Hou, and B. Zhang, "Nanosecond-pulsed, dual-wavelength, passively Q-switched ytterbium-doped bulk laser based on few-layer MoS2 saturable absorber", Photon. Res. 3, A25 (2015). CrossRef F. A. A. Rashid et al., "Using a black phosphorus saturable absorber to generate dual wavelengths in a Q-switched ytterbium-doped fiber laser", Laser Phys. Lett. 13, 1 (2016). CrossRef J. Sotor, G. Sobon, I. Pasternak, K. Krzempek, G. Dudzik, A. Krajewska, W. Strupinski, and K. M. Abramski, "Dual-wavelength fiber mode-locked laser based on graphene saturable absorber", Proc. of SPIE 8961, 89612A (2014). CrossRef S. Alwarappan, and A. Kumar, Graphene-Based Nanomaterials (Boca Rota, CRC Press 2014).N. Taib, N. Bidin, H. Haris, N. N. Adnan, M. Ahmad, and S. W. Harun, "Multi-walled carbon nanotubes saturable absorber in Q-switching flashlamp pumped Nd:YAG laser", Optics & Laser Technology 79, 193 (2016). CrossRef M. Ahmad, A. Latiff, Z. Zakaria, and S. Harun, "Q-Switched Ultrafast TDFL Using MWCNTs-SA at 2 ?m Region", International Journal of Computer and Communication Engneering 3, 446 (2014). CrossRef H. Ahmad, K. Z. Hamdan, F. D. Muhammad, S. W. Harun, and M. Z. Zulkifli, "Switchable dual-wavelength CNT-based Q-switched using arrayed waveguide gratings (AWG)", Applied Physics B 118, 269 (2015). CrossRef J. M. Dudley and J. R. Taylor, Supercontinuum Generation in Optical Fibres (New York, Cambridge University Press 2010). CrossRef H. Ahmad, M. A. M. Salim, M. R. K. Soltanian, S. R. Azzuhri, and S. W. Harun, "Passively dual-wavelength Q-switched ytterbium doped fiber laser using Selenium Bismuth as saturable absorber", Journal of Modern Optics 62, 1550 (2015). CrossRef H. Chu et al., "Dual-Wavelength Passively Q-Switched Nd,Mg:LiTaO3 Laser With a Monolayer Graphene as Saturable Absorber", IEEE Journal of Selected Topics in Quantum Electronics 21, 1600705 (2015). CrossRef Z. T. Wang, Y. Chen, C. J. Zhao, H. Zhang, and S. C. Wen, "Switchable Dual-Wavelength Synchronously Q-Switched Erbium-Doped Fiber Laser Based on Graphene Saturable Absorber", IEEE Photonics Journal 4, 869 (2012). CrossRef J. H. Liu et al., "Passively Q-switched dual-wavelength Yb:LSO laser based on tungsten disulphide saturable absorber", Chin. Phys. B 25, 034207 (2016). CrossRef Z. C. Tiu et al, "Multi-wavelength Q-switched Erbium-doped fiber laser with photonic crystal fiber and multi-walled carbon nanotubes", Journal of Modern Optics 61, 1133 (2014). CrossRef

Dual-wavelength rectangular pulse erbium-doped fiber laser based on topological insulator saturable absorber

2015 ◽  
Vol 3 (3) ◽  
pp. 94 ◽  
Author(s):  
Bo Guo ◽  
Yong Yao ◽  
Yan-Fu Yang ◽  
Yi-Jun Yuan ◽  
Lei Jin ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Saturable Absorber ◽  
Topological Insulator ◽  
Rectangular Pulse ◽  
Dual Wavelength ◽  
Erbium Doped

Dual-wavelength, passively Q-switched thulium-doped fiber laser with N-doped graphene saturable absorber

Optik ◽  
2017 ◽  
Vol 149 ◽  
pp. 391-397 ◽  
Author(s):  
H. Ahmad ◽  
M.Z. Samion ◽  
A.S. Sharbirin ◽  
M.F. Ismail
Keyword(s):  
Fiber Laser ◽  
Saturable Absorber ◽  
Dual Wavelength ◽  
Doped Graphene ◽  
Graphene Saturable Absorber

scholarly journals Metallic 2H-Tantalum Selenide Nanomaterials as Saturable Absorber for Dual-Wavelength Q-Switched Fiber Laser

Sensors ◽  
2021 ◽  
Vol 21 (1) ◽  
pp. 239
Author(s):  
Lingling Yang ◽  
Ruwei Zhao ◽  
Duanduan Wu ◽  
Tianxiang Xu ◽  
Xiaobiao Liu ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Saturable Absorber ◽  
Peak Power ◽  
Dual Wavelength ◽  
Transition Metal Dichalcogenide ◽  
Promising Candidate ◽  
Laser Applications ◽  
Maximum Pulse Energy ◽  
Structure Simulation ◽  
Tantalum Selenide

A novel 2H-phase transition metal dichalcogenide (TMD)–tantalum selenide (TaSe2) with metallic bandgap structure is a potential photoelectric material. A band structure simulation of TaSe2 via ab initio method indicated its metallic property. An effective multilayered TaSe2 saturable absorber (SA) was fabricated using liquid-phase exfoliation and optically driven deposition. The prepared 2H–TaSe2 SA was successfully used for a dual-wavelength Q-switched fiber laser with the minimum pulse width of 2.95 μs and the maximum peak power of 64 W. The repetition rate of the maximum pulse energy of 89.9 kHz was at the level of 188.9 nJ. The metallic 2H–TaSe2 with satisfactory saturable absorbing capability is a promising candidate for pulsed laser applications.

Dual-Wavelength Harmonically Mode-Locked Fiber Laser With Topological Insulator Saturable Absorber

2014 ◽  
Vol 26 (10) ◽  
pp. 983-986 ◽  
Author(s):  
Meng Liu ◽  
Nian Zhao ◽  
Hao Liu ◽  
Xu-Wu Zheng ◽  
Ai-Ping Luo ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Saturable Absorber ◽  
Topological Insulator ◽  
Dual Wavelength
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