Nonlinear optical properties of carboxyl-functionalized graphene oxide for dissipative soliton resonance pulse generation

Pan, Han; Chu, Hongwei; Pan, Zhongben; Liu, Ying; Zhao, Shengzhi; Li, Dechun

doi:10.1016/j.jmat.2023.01.006

Cited by 19 publications

(2 citation statements)

References 42 publications

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“…By using different SAs or altering the laser cavity's configuration, modelocked or Q-switched pulses could be achieved [6][7][8][9]. A wide variety of new two-dimensional (2D) materials are being used, including carbon nanotube [10,11], graphene [12][13][14], graphdiyne [15], transition metal dichloride [16][17][18], topological insulators [19,20], black phosphorus (BP) [21][22][23][24], MXenes [25,26] and others. Fiber lasers with mode-locked and Q-switched technology are utilized in a variety of applications including radar [27], medical detection [28], industrial and communication applications [29].…”

Section: Introductionmentioning

confidence: 99%

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Ding,

Liu,

et al. 2024

Laser Phys.

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In this paper, we focus on the single crystal material germanium (Ge), which is fabricated into saturable absorbers (SAs) employing liquid phase exfoliation, and validate it with an erbium-doped fiber laser (EDFL). The Ge SA was obtained with a modulation depth of 9.8% and a saturation intensity of 11.02 MW cm−2. The single-wavelength mode-locked pulse with a minimum pulse width of 847 fs was obtained at a cavity length of 10.5 m. In addition, at a cavity length of 106 m, a dual-wavelength mode-locked phenomenon was obtained in which the central wavelengths were located at 1559.20 nm and 1561.31 nm. The experimental results show that Ge nanosheets in an EDFL provide a strong basis for the development of nonlinear optics and have a wide range of applications in the field of pulsed fiber lasers.

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Section: Introductionmentioning

confidence: 99%

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Ding,

Liu,

et al. 2024

Laser Phys.

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“…Passively Q-switched and mode-locked are important methods to generate ultrafast pulsed lasers. Among the modulation methods, passively saturable absorber based fiber lasers are developing especially rapidly [13][14][15]. In addition, nonlinear polarization rotation (NPR) [16][17][18] and nonlinear amplification ring mirrors (NALM) can be used as artificial saturable absorbers using nonlinear effects [19][20].…”

Section: Introductionmentioning

confidence: 99%

Indium antimonide-based saturable absorber to demonstrate passively Q-switched and mode-locked operation

Sun,

Xu,

Ding

et al. 2024

Advanced Fiber Laser Conference (AFL2023)

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In this work, an Indium Antimonide-polyvinyl alcohol (InSb-PVA) film was fabricated, and its nonlinear characteristics were researched. The modulation depth intensity and saturation intensity were 13.61% and 2.02 MW/cm 2 , correspondingly. Based on InSb as a saturable absorber (SA), an erbium-doped fiber laser (EDFL) with passively Qswitched and mode-locked operation was generated. The Q-switched operation was achieved with a maxinum pulse energy of 45.8 nJ and a minimum pulse duration of 4.3 μs. As the pump power rises, the repetition rate rises from 7.6 kHz to 25.05 kHz and the pulse duration falls from 20.1 μs to 4.3 μs. By adjusting the length of the single-mode fiber to manage the dispersion, a stable mode-locked EDFL with a maximum average output power of 8.03 mW and a central wavelength of 1566.54 nm was obtained. The experimental results fully demonstrated that InSb has remarkable nonlinear absorption performance and enormous potential for ultra-fast photonics devices.

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2D Transition Metal Carbo‐Chalcogenide Nb₂CSe₂: A Combination of Transition Metal Dichalcogenide and MXene for Ultrafast Photonics Application

Ren,

Pan,

et al. 2024

Advanced Optical Materials

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Transition metal carbo‐chalcogenides (TMCCs), a novel class of 2D materials, combining the distinctive properties of transition metal dichalcogenides (TMDs) and MXenes, eliciting considerable interest for their excellent properties across various fields. However, TMCCs' optical properties and potential in ultrafast photonics remain unexplored. This study investigates Nb2CSe2, a novel developed TMCC, which exhibits superior optical properties and robust environmental stability. Density functional theory calculations reveal solid near‐infrared absorption and a high density of states near the Fermi level in Nb2CSe2, indicative of high carrier mobility and robust optical responses. The nonlinear absorption coefficient of Nb2CSe2 is measured as 0.431 cm GW−1, significantly outperforming most TMDs and MXenes. Its fastest relaxation lifetime of excited carriers is on the order of hundreds of femtoseconds. The wavelength‐dependent transition of carrier dynamics and excitation intensity‐dependent transition of absorption mechanism is observed. For the first time, a TMCC‐based saturable absorber is integrated into an erbium‐doped fiber laser cavity, the evolution from Q‐switched operation to conventional soliton operation with sub‐picoseconds pulse width and dual‐wavelength complex soliton dynamics are realized, underscoring the material's superior capabilities in enhancing ultrafast laser performance. This research provides a promising platform for fundamental studies and practical applications of TMCCs in ultrafast photonics.

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Nonlinear optical properties of carboxyl-functionalized graphene oxide for dissipative soliton resonance pulse generation

Cited by 19 publications

References 42 publications

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Indium antimonide-based saturable absorber to demonstrate passively Q-switched and mode-locked operation

2D Transition Metal Carbo‐Chalcogenide Nb₂CSe₂: A Combination of Transition Metal Dichalcogenide and MXene for Ultrafast Photonics Application

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Nonlinear optical properties of carboxyl-functionalized graphene oxide for dissipative soliton resonance pulse generation

Cited by 19 publications

References 42 publications

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Passively mode-locked Er-doped fiber laser with single and double wavelength pulses based on germanene saturable absorber

Indium antimonide-based saturable absorber to demonstrate passively Q-switched and mode-locked operation

2D Transition Metal Carbo‐Chalcogenide Nb2CSe2: A Combination of Transition Metal Dichalcogenide and MXene for Ultrafast Photonics Application

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Product

Resources

About

2D Transition Metal Carbo‐Chalcogenide Nb₂CSe₂: A Combination of Transition Metal Dichalcogenide and MXene for Ultrafast Photonics Application