Diode-pumped Yb,Y:CaF2 laser mode-locked by monolayer graphene

Zhu, Hongtong; Liu, Jie; Jiang, Shouzhen; Xu, Shicai; Su, Liangbi; Jiang, Dapeng; Qian, Xiaobo; Xu, Jun

doi:10.1016/j.optlastec.2015.05.021

Cited by 42 publications

(8 citation statements)

References 32 publications

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“…Graphene has excellent electrical conductivity [ 2 ], excellent mechanical strength [ 3 , 4 ], superior thermal conductivity [ 5 ], and high light transmittance in the visible light–infrared area [ 6 ]. Graphene has been widely used in applications such as solar cells, lighting, and touch screens [ 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 ]. However, graphene has been extremely limited in the research and application of some fields because of its zero band gap.…”

Section: Introductionmentioning

confidence: 99%

Optical Properties of Graphene/MoS2 Heterostructure: First Principles Calculations

Qiu

Zhao

et al. 2018

Nanomaterials

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The electronic structure and the optical properties of Graphene/MoS2 heterostructure (GM) are studied based on density functional theory. Compared with single-layer graphene, the bandgap will be opened; however, the bandgap will be reduced significantly when compared with single-layer MoS2. Redshifts of the absorption coefficient, refractive index, and the reflectance appear in the GM system; however, blueshift is found for the energy loss spectrum. Electronic structure and optical properties of single-layer graphene and MoS2 are changed after they are combined to form the heterostructure, which broadens the extensive developments of two-dimensional materials.

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Section: Introductionmentioning

confidence: 99%

Optical Properties of Graphene/MoS2 Heterostructure: First Principles Calculations

Qiu

Zhao

et al. 2018

Nanomaterials

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“…Recently, novel 2D materials have been employed as SAs for ultrafast lasers. As a typical representative, graphene has attracted wide attention due to its ultrafast saturation recovery time, wide absorption band, low loss, low cost and easy fabrication [8][9][10][11][12][13][14]. Therefore, several graphene-like 2D materials have attracted significant attention [9,[15][16][17][18][19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

MoS₂ saturable absorber for a Q-switched mode-locked 2 µm laser

Zhang

Fan

et al. 2018

Laser Phys.

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A few-layer molybdenum disulfide (MoS 2 ) saturable absorber was successfully fabricated by thermally decomposing ammonium thiomolybdate through dip coating the mica and applying 2 µm Q-switched mode-locked (QML) Tm:YAP laser pulse generation. The modulation depth of the QML laser was close to 100%. The duration of the mode-locked pulse within the Q-switched pulse envelope is estimated to be ~100 ps with a 92.1 MHz repetition rate. A maximum average output power of 109 mW was obtained and the highest pulse energy in the Q-switched envelope was 1.18 nJ. The results indicated that MoS 2 -SA is available for ultrafast 2 µm lasers.

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“…On the one hand, the progress of materials used as SAs has promoted the advancement of pulse lasers. Very recently, when the research boom of two-dimensional materials such as graphene [2][3][4][5] , transition metal dichalcogenides (MoS 2 , WS 2 , etc.) [6,7] , topological insulators (Bi 2 Se 3 , Bi 2 Te 3 , etc.…”

mentioning

confidence: 99%

“…Then, Qian et al increased the Nd,Y:CaF 2 CW laser maximum output power to 901 mW [28] . In recent years, extensive researchs on mode-locking lasers based on Nd 3þ -doped CaF 2 crystals have been reported [2,[30][31][32][33][34] , which shows great potential for generating ultra-short pulses. However, the Nd,Gd:CaF 2 crystals' laser performances have not been studied and reported so far.…”

mentioning

confidence: 99%