2 μm mode-locking laser performances of sol-gel-fabricated large-core Tm-doped silica fiber

Yan Ren; Zhipeng Qin; Guoqiang Xie; Zhen Qiao; Ting Hai; Peng Yuan; Jingui Ma; Liejia Qian; Shikai Wang; Chunlei Yu; Lili Hu

doi:10.3788/COL201816.020020

Journals >Chinese Optics Letters >Volume 16 >Issue 2 >Page 020020 > Article

Chinese Optics Letters
Vol. 16, Issue 2, 020020 (2018)

2 μm mode-locking laser performances of sol-gel-fabricated large-core Tm-doped silica fiber

Yan Ren¹, Zhipeng Qin¹, Guoqiang Xie^1、*, Zhen Qiao¹, Ting Hai¹, Peng Yuan¹, Jingui Ma¹, Liejia Qian¹, Shikai Wang², Chunlei Yu², and Lili Hu²

Author Affiliations

¹Key Laboratory for Laser Plasmas of the Ministry of Education, Collaborative Innovation Center of IFSA (CICIFSA), School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China

²Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.3788/COL201816.020020 Cite this Article Set citation alerts

Yan Ren, Zhipeng Qin, Guoqiang Xie, Zhen Qiao, Ting Hai, Peng Yuan, Jingui Ma, Liejia Qian, Shikai Wang, Chunlei Yu, Lili Hu. 2 μm mode-locking laser performances of sol-gel-fabricated large-core Tm-doped silica fiber[J]. Chinese Optics Letters, 2018, 16(2): 020020 Copy Citation Text

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Spectroscopic characteristics of LC SGTS fiber. (a) The absorption spectrum. (b) The fluorescence spectrum and fluorescence decay curve (inset) of the F43→H63 transition.

Fig. 1. Spectroscopic characteristics of LC SGTS fiber. (a) The absorption spectrum. (b) The fluorescence spectrum and fluorescence decay curve (inset) of the F43→H63 transition.

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$Refractive index profile of the Tm-doped silica glass preform.$

Fig. 2. Refractive index profile of the Tm-doped silica glass preform.

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Fig. 3. Setup schematic of the laser experiments. DM: dichroic mirror; SGTS fiber: sol-gel fabricated Tm-doped silica fiber; CS: cladding stripper.

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Fig. 4. (a) CW output power versus launched pump power. The inset shows the CW laser spectrum. (b) The M2 factors of the output laser beam. Inset: output laser beam profile.

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Fig. 5. (a) Mode-locked pulse trains in ms and ns time scales. (b) The radio frequency (RF) spectrum. Inset: the RF spectrum with a wide span.

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Fig. 6. (a) Optical spectrum. (b) The autocorrelation trace.

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Mode-locking technique	Wavelength (nm)	Pulse width (ps)	Average power (mW)	Rep rate (MHz)	Pulse energy (nJ)	Reference
NPE	1842–1978	–	0.3–1.0	2.6	–	[27]
NPE	1880–2030	130	19	67.5	0.28	[28]
CNT	1930	1.32	3.4	37	10.88	[29]
CNT	1885	0.75	25	45	0.5	[30]
Graphene	1876	0.6	1.5	41	2.49	[31]
Graphene	1968	0.26	110	100.25	1.0	[32]
Graphene	1879.4	4.7	456	10	45.49	[33]
SESAM	1950	1.5	10	13.2	0.76	[34]
SESAM	1938	7.9	50	535	0.1	[35]
SESAM	1955	23.9	$1.0 \times 10^{3}$	23.2	43.1	This work