Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber

Ruidong Lü; Yonggang Wang; Jiang Wang; Wei Ren; Lu Li; Sicong Liu; Zhendong Chen; Yongfang Li; Hongying Wang; Fuxing Fu

doi:doi:10.1364/PRJ.7.000431

Photonics Research, 2019, 7 (4): 04000431, Published Online: Apr. 11, 2019

Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber

Ruidong Lü ¹Yonggang Wang ^1,*Jiang Wang ¹Wei Ren ²Lu Li ²Sicong Liu ¹Zhendong Chen ¹Yongfang Li ¹Hongying Wang ³Fuxing Fu ³

Author Affiliations

¹ School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China

² School of Science, Xi’an Institute of Posts and Telecommunications, Xi’an 710121, China

³ Key Laboratory for Surface Engineering and Remanufacturing of Shaanxi Province, Xi’an University, Xi’an 710065, China

Figures & Tables

Fig. 1. (a) Fabrication process of SA devices. (b) Macroscopic images of FM and MoS2/FM. (c) SEM image of a MoS2 SA by the spin-coating and LB methods at the same resolutions. (d) 3D and plane AFM image and the AFM height profile diagram of few-layer MoS2. (e) Raman spectrum of the MoS2 SA.

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Fig. 2. (a) Linear transmittance measured in the spectral range from 1450 to 1600 nm. (b) Nonlinear saturable absorption of the MoS2/FM LB film.

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Fig. 3. Configuration of a passively mode-locked EDF laser.

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Fig. 4. Characterization of the soliton mode-locked fiber laser: (a) optical spectrum, (b) autocorrelation trace, (c) oscilloscope trace, (d) RF spectrum, and (e) the relationship between the output power and pump power of soliton mode locking. (f) Long-term optical spectrum measured for five days.

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Fig. 5. Experimental results of a bound-state soliton mode-locked fiber laser. (a) Optical spectrum and (b) autocorrelation trace.

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Fig. 6. (a) Bound-state pulse oscilloscope trace with a pump power of 307 mW. (b) Repetition rate and harmonic number under a different pump power.

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Table1. Comparison of Nonlinear Parameters and Corresponding Mode-Locked EDF Lasers Based on a TMD SA

Materials	SA type	Layer	MD (%)	UL (%)	$λ$ (nm)	$τ$ (fs)	$P_{ave}$ (mW)	Reference
${WS}_{2}$	PVA	—	2.9	30.9	1572	595	—	[17]
${WS}_{2}$	Taper	7–9	0.5	65.0	1563	563	2.8	[18]
${WSe}_{2}$	Polymethylmethacrylate-side-polished fiber (PMMA-SPF)	1–3	54.5	—	1556	477	—	[19]
${MoSe}_{2}$	PVA	2–3	0.6	3.5	1558	1450	0.4	[20]
${MoS}_{2}$	PVA	5–6	2.7	44.2	1556	606	5.9	[21]
${MoS}_{2}$	Fiber facet	4–5	35.4	34.1	1569	1280	5.1	[22]
${MoS}_{2}$	PMMA-SPF	$< 10$	$> 2.5$	$< 70.0$	1568	637	—	[23]
${MoS}_{2}$	FM LB film	4–5	5.9	13.4	1557	581	9.6	This study

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Ruidong Lü, Yonggang Wang, Jiang Wang, Wei Ren, Lu Li, Sicong Liu, Zhendong Chen, Yongfang Li, Hongying Wang, Fuxing Fu. Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber[J]. Photonics Research, 2019, 7(4): 04000431.

Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber

Fig. 1. (a) Fabrication process of SA devices. (b) Macroscopic images of FM and MoS2/FM. (c) SEM image of a MoS2 SA by the spin-coating and LB methods at the same resolutions. (d) 3D and plane AFM image and the AFM height profile diagram of few-layer MoS2. (e) Raman spectrum of the MoS2 SA.

Fig. 2. (a) Linear transmittance measured in the spectral range from 1450 to 1600 nm. (b) Nonlinear saturable absorption of the MoS2/FM LB film.

Fig. 3. Configuration of a passively mode-locked EDF laser.

Fig. 4. Characterization of the soliton mode-locked fiber laser: (a) optical spectrum, (b) autocorrelation trace, (c) oscilloscope trace, (d) RF spectrum, and (e) the relationship between the output power and pump power of soliton mode locking. (f) Long-term optical spectrum measured for five days.

Fig. 5. Experimental results of a bound-state soliton mode-locked fiber laser. (a) Optical spectrum and (b) autocorrelation trace.

Fig. 6. (a) Bound-state pulse oscilloscope trace with a pump power of 307 mW. (b) Repetition rate and harmonic number under a different pump power.

Table1. Comparison of Nonlinear Parameters and Corresponding Mode-Locked EDF Lasers Based on a TMD SA

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Soliton and bound-state soliton mode-locked fiber laser based on a MoS2/fluorine mica Langmuir–Blodgett film saturable absorber

Fig. 1. (a) Fabrication process of SA devices. (b) Macroscopic images of FM and MoS2/FM. (c) SEM image of a MoS2 SA by the spin-coating and LB methods at the same resolutions. (d) 3D and plane AFM image and the AFM height profile diagram of few-layer MoS2. (e) Raman spectrum of the MoS2 SA.

Fig. 2. (a) Linear transmittance measured in the spectral range from 1450 to 1600 nm. (b) Nonlinear saturable absorption of the MoS2/FM LB film.

Fig. 3. Configuration of a passively mode-locked EDF laser.

Fig. 4. Characterization of the soliton mode-locked fiber laser: (a) optical spectrum, (b) autocorrelation trace, (c) oscilloscope trace, (d) RF spectrum, and (e) the relationship between the output power and pump power of soliton mode locking. (f) Long-term optical spectrum measured for five days.

Fig. 5. Experimental results of a bound-state soliton mode-locked fiber laser. (a) Optical spectrum and (b) autocorrelation trace.

Fig. 6. (a) Bound-state pulse oscilloscope trace with a pump power of 307 mW. (b) Repetition rate and harmonic number under a different pump power.

Table1. Comparison of Nonlinear Parameters and Corresponding Mode-Locked EDF Lasers Based on a TMD SA

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