Startseite Highly stable MXene (V2CTx)-based harmonic pulse generation
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Highly stable MXene (V2CTx)-based harmonic pulse generation

  • Weichun Huang ORCID logo EMAIL logo , Chunyang Ma , Chao Li , Ye Zhang , Lanping Hu , Tingting Chen , Yanfeng Tang , Jianfeng Ju und Han Zhang ORCID logo EMAIL logo
Veröffentlicht/Copyright: 17. Juni 2020
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Nanophotonics
Aus der Zeitschrift Nanophotonics Band 9 Heft 8

Abstract

MXene as a novel two-dimensional (2D) material exhibits a lot of advantages in nonlinear optics. However, the common MXene, Ti3C2Tx and Ti2CTx nanosheets, easily suffer from degradation under ambient conditions, greatly limiting their practical applications. Here, we demonstrated one of MXene compounds, V2CTx, which has a strong modulation depth (nearly 50%), can serve as an excellent saturable absorber (SA) in passively mode-locked (PML) fiber lasers. More importantly, 206th harmonic order has been successfully generated in Er-doped mode-locked fiber laser, exhibiting maximum repetition rate of 1.01 GHz and pulse duration of 940 fs, which to the best of our knowledge, is the highest harmonic mode-locked fiber laser from the MXene SA so far. In addition, the high harmonic order mode-locked operation can maintain at least 24 h without any noticeable change, suggesting MXene V2CTx nanosheets have excellent stability in this mode-locked fiber laser. It is anticipated that the present work can pave the way to new design for MXene-based heterostructures for high-performance harmonic mode-locked lasers.

Keywords: harmonic pulse generation; layered materials; mode-locked fiber lasers; MXene; V2CTx

1 Introduction

Passively mode-locked (PML) fiber lasers have been attracted great attention due to their low-cost, simplification, high beam quality, etc. As we know, saturable absorber (SA) plays an important role in PML fiber lasers, which can be divided into two categories, i. e., real SAs and artificial SAs. Artificial SAs, such as nonlinear polarization evolution (NPE) and nonlinear optical loop mirror (NOLM), can easily achieve ultrashort pulses from laser cavity [1], [2], [3], [4]. However, NPE is unstable under ambient environment, and NOLM needs precise control in the powering splitting. Semiconductor SA mirror is the most general real SAs applied in ultrafast lasers [5], [6], but the slow saturation recovery and narrow operation bandwidth limit its applications.

Recently, two dimensional (2D) materials are of great interest due to their special electronic structure and excellent physical and chemical properties [7], [8], [9], [10], especially as a SA in the field of ultrafast lasers. Although graphene has been successfully inserted into the PML laser system [], yet the zero band gap energy and low modulation depth greatly limits its wide applications. Topological insulators and transition metal dichalcogenides have also been investigated as potential SA in ultrafast lasers while their poor photoresponse behaviours make them limited in the broadband photoresponse mode-locked laser system [16], [17], [18], [19], [20], [21], [22]. Black phosphorus has also been employed as a potential SA in ultrafast lasers [23], [24], [25], [26], [27], [28], but the environmentally unstable property results into the fast degradation under ambient conditions, making them severely unsatisfied in the practical applications. In addition, it should be noted that rapid growing attention has been focused on MXene materials due to their remarkable optoelectronic and optical properties and has been applied into various applications [29], [30], [31], [32], [33]. The general formula of MXene is Mn+1XnTx, where M is an early transition metal, X is C and/or N, T is the surface terminations (hydroxyl, oxygen or fluorine), and n = 1, 2, or 3, respectively [34]. To date, MXenes have been successfully applied as a SA to the ultrafast laser systems. Jhon et al. demonstrated a stable Er-doped fiber laser based on MXene Ti3CN with 660 fs pulse duration at the repetition rate of 15.4 MHz [35]. Jiang et al. reported that MXene Ti3C2Tx was employed as a SA for mode-locking operation at 1066 and 1555 nm, respectively, and a high stable femtosecond laser with pulse duration as short as 159 fs in the telecommunication window was readily obtained [34]. Li et al. delivered a highly stable femtosecond fiber laser based on MXene Ti3C2Tx with signal-to-noise (SNR) ratio up to 70.7 dB and central wavelength of 1567.3 nm [36]. Wu et al. reported that an all-optical device based on an MXene Ti2CTx-deposited microfiber knot resonator exhibited a large photothermal conversion efficiency and high thermal conductivity, showing that the proposed all-optical device was capable of producing a high-performance phase and intensity modulation with a high modulation efficiency, fast response time, and good stability [37]. Although the common MXene (Ti3C2Tx or Ti2CTx) presented outstanding performance as a SA in ultrafast pulse, yet they easily suffered from oxidation under ambient conditions, leading to the formation of primarily anatase (TiO2), which is still of critical importance to their application [38], [39].

In all-anomalous regime, pulses can be easily split into multi-pulses due to exceed nonlinear phase shift with the increase of pump power, even at which it is harmful for achieving high energy pulses, while it is still suitable for harmonic pulse generation. Compared with the fundamental state, harmonic mode-locking state can achieve higher repetition rate pulses. High repetition rate pulse can be widely used in the fields of fiber sensing [40], optical communications [41], frequency comb [42], etc. So far, there are rare reports on the harmonic mode-locking fiber laser based on MXene. Very recently, harmonic mode-locking based on MXene SA has been demonstrated, but the repetition rate is only 218.4 MHz with 36th harmonic mode-locking [43]. Therefore, it is crucial to develop the high-performance harmonic mode-locked fiber laser based on MXene SA, including the high repetition rate and excellent stability.

In this work, MXene V2CTx nanosheets were synthesized by selective etching of Al element from V2AlC, similar to the reported Ti3C2Tx [44], [45] and Ti2CTx [46], [47], and deposited onto a ring fiber cavity as a SA to achieve 206th high order harmonic mode-locking for the first time. The nonlinear saturated absorption of this 2D layered MXene V2CTx has been systematically investigated, demonstrating that the modulation depth and saturation intensity are nearly 50% and 0.5 mW, respectively, which suggests that V2CTx can serve as a potential SA in ultrafast lasers. By increasing the pump power, 206th harmonic mode-locking can be easily generated with the central wavelength and 3 dB bandwidth are 1559.1 nm with 3.1 nm, respectively, and the repetition rate can reach up to 1.01 GHz with 940 fs pulse duration, in this work. Moreover, the high harmonic order mode-locked operation can maintain at least 24 h without any noticeable change, suggesting MXene V2CTx nanosheets have excellent stability in this mode-locked fiber lasers.

2 Experimental section

2.1 Materials

V2AlC powder (99.9%), isopropyl alcohol (IPA, 99.9%), hydrofluoric acid (HF) (40%) were purchased from Sigma–Aldrich. Double distilled deionized (DI) water was used for the synthesis.

2.2 Synthesis of MXene V2CTx nanosheets

The MXene V2CTx nanosheets were synthesized by selective etching of Al element from V2AlC. For example, 2.0 g V2AlC (200 mesh) was added into 40 mL hydrofluoric acid (HF) (40%) under continuous stirring at 30 °C for 48 h. After the reaction, the mixture was diluted by a large amount of DI H2O, and then centrifugated for a couple of times (5,000 rpm, 10 min per cycle) until the pH of the supernatant was more than 6. The V2C was obtained by filtration through a polyvinylidene fluoride membrane (0.45 μm mesh) and washed with a large quantity of DI H2O (∼2 L). The as-obtained V2C slurry was first dispersed into DI H2O (∼5 mg mL-1), followed by a sonication process in a water bath with a built-in water-cooling system for 8 h at 400 W. The temperature was fixed at 10 °C in the whole sonication process. Afterwards, the dispersion was initially centrifuged at a speed of 5,000 rpm for 30 min, and then the supernatant containing V2CTx nanosheets was gently decanted to another test tube and further centrifuged at a centrifugation speed of 18,000 rpm for another 30 min. The obtained precipitate was dried at 80 °C in vacuum.

2.3 Characterization

The morphologies and dimensions of V2C and V2CTx nanosheets were determined by both SEM (Hitachi-SU8010) and transmission electron microscope (TEM) (FEI Tecnai G2 F30). High-resolution TEM (HRTEM) was performed to determine the atomic arrangements of the as-obtained V2CTx nanosheets. The height of the as-synthesized MXene V2CTx nanosheets was evaluated by atomic force microscopy (AFM, Bruker, with 512 pixels per line) measurement with an AFM sample prepared by dropping the MXene V2CTx nanosheets dispersion onto a clean silicon substrate. UV–Vis–NIR absorption spectra were collected with spectral range of 200–1100 nm by a UV–Vis–NIR absorbance spectrometer (Cary 60, Agilent) at room temperature.

3 Results and discussion

Figure 1 gives structural characterization of the as-etched V2C and as-exfoliated V2CTx nanosheets. The basal planes fan out and spread apart after HF treatment (Figure 1a), confirming the successful removal of Al from V2AlC. The TEM image of the exfoliated nanosheets (Figure 1b) indicates that the as-exfoliated V2CTx nanosheets are quite thin due to much higher transparency in comparison with super-thin carbon film. The lateral size of V2CTx nanosheets ranges from ∼130 to ∼240 nm. The crystal structure of the as-prepared V2CTx nanosheets can be further confirmed by HRTEM and selected area electron diffraction (SAED), shown in Figure 1c, in good agreement with previous demonstrations [48]. The AFM was employed to determine the thickness of the as-prepared V2CTx nanosheets, as shown in Figure 1d. The few-layer V2CTx nanosheets with thicknesses of 9.8 and 11.2 nm, respectively, were successfully obtained (insert in Figure 1d), corresponding to around 11 layers of MXene V2C [49], [50]. Figure 1e shows the absorption spectrum of the V2CTx nanosheets, ranging from 250 nm to 1800 nm, implying the broad bandwidth operation of this material. Notably, the absorption spectrum of the MXene V2CTx nanosheets remains unchanged after MXene V2CTx nanosheets/IPA stored for 10 days, suggesting their excellent stability under ambient conditions, which was also evidenced by after-ten-day TEM measurement (Figure S1).

Figure 1: Structural characterization of as-synthesized V2CTx nanosheets. (a) SEM image of V2C after selective removal of Al. (b) TEM image of exfoliated V2CTx nanosheets. (c) HRTEM of exfoliated V2CTx nanosheets. (d) AFM image of exfoliated V2CTx nanosheets. (e) UV–Vis–NIR spectroscopy of exfoliated V2CTx nanosheets before and after 10 days.
Figure 1:

Structural characterization of as-synthesized V2CTx nanosheets. (a) SEM image of V2C after selective removal of Al. (b) TEM image of exfoliated V2CTx nanosheets. (c) HRTEM of exfoliated V2CTx nanosheets. (d) AFM image of exfoliated V2CTx nanosheets. (e) UV–Vis–NIR spectroscopy of exfoliated V2CTx nanosheets before and after 10 days.

The adsorption process of the material was observed in real time by a microscope. Figure S2 shows the experiment of MXene V2CTx nanosheets deposition on a tapered fiber. The nonlinear absorption measurement of the MXene-based SA was carried out using a balanced twin-detector (Figure 2a). An ultrashort pulsed fiber laser (800 fs pulse duration, 1558 nm wavelength and 45.9 MHz pulse repetition frequency) was used as the pump light source. The output was split by a 50:50 fiber coupler after an adjustable attenuator, and one beam was used for detecting the nonlinear absorption of SA while the other for power monitoring as a reference signal. By continuous adjustment of the attenuator, the transmitted power as a function of the incident optical power was recorded for the V2CTx-SA device. The transmission of the SA tends to be a constant with the increase of the peak power intensity. The transmission is a nonlinear curve indicative of saturable absorption which has the standard model:

T(I)=1−αs1+I/Isat−αns

where αs is the modulation depth, I is the power of the input light, Isat is the saturable power, and αns is the non-saturated loss. The fitting results in Figure 2b can be expressed as T(I) = 0.788−0.488/(1 + I/0.2). The modulation depth and the saturation power of the MXene are estimated to 48.8% and 0.5 mW, respectively (Figure 2b). The strong saturable-absorption property of the V2CTx-SA at 1558 nm indicates that this device can be used as an ultrafast optical switch for ultrashort pulse generation.

Figure 2: Nonlinear optical measurement of V2CTx. (a) Nonlinear transmittance detector system. (b) Nonlinear transmission of V2CTx nanosheets at 1558 nm.
Figure 2:

Nonlinear optical measurement of V2CTx. (a) Nonlinear transmittance detector system. (b) Nonlinear transmission of V2CTx nanosheets at 1558 nm.

The experimental set up of the Er-doped PML fiber laser based on V2CTx-SA is shown in Figure 3. A laser diode with the central wavelength of 976 nm serves as a pump. The light couples into the cavity via a 980/1550 wavelength division multiplexer (WDM). Polarization controller enables a thorough and continuous adjustment of the net cavity birefringence and the isolator ensures unidirectional propagation. A fiber optical coupler (OC) split ratio is 10:90, which allows 10% power energy as output. MXene SA is spliced into cavity via tapered fiber and the nonlinear effects can be enhanced by reducing the effective mode area in tapered fiber, which greatly accelerates the formation of the harmonic mode-locked operation. The total cavity length is ∼31 m, and the total dispersion is −0.6 ps2. The PML fiber lasers based on MXene V2CTx nanosheets was systematically measured by a suit of equipment, consisting of an optical spectrum analyzer (Yokogawa AQ6370D), an autocorrelator (APE pulseCheck), an oscilloscope (Keysight DSOS104 A) and a radio-frequency (RF) analyzer (Keysight N9010B) with a high-speed photodetector.

Figure 3: Experimental setup of the PML fiber lasers based on MXene V2CTx nanosheets as SA. EDF: Erbium-doped fiber, PC: polarization controller.
Figure 3:

Experimental setup of the PML fiber lasers based on MXene V2CTx nanosheets as SA. EDF: Erbium-doped fiber, PC: polarization controller.

The laser cavity reached mode-locked operation at a threshold pump power of 27 mW. Figure 4 shows the output performance from the Er-doped PML fiber laser. The output spectrum at 3 dB is 0.9 nm at the central wavelength of 1559.12 nm (Figure 4a). Figure 4b shows the pulse train within the span of 1000 ns and the pulse interval is around 201 ns. The figure inserted in the screen was captured from the oscilloscope (time range is 10 µs), which reflects that pulse train is ultra-stable in the laser cavity, indicating the great potential application in the field of the Er-doped PML fiber laser. RF spectrum of the signal exhibits that the SNR is approximately 57 dB and the fundamental repetition is 4.9 MHz (Figure 4c), further suggesting the stability of the laser system. In addition, the pulse duration was measured by the autocorrelation instrument and fitted by the function of hyperbolic secant, and the pulse duration is 3.21 ps. The time bandwidth product is around 0.351, indicating that the output pulse has a weak chirp.

Figure 4: Fundamental mode-locked operation. (a) Optical spectrum. (b) Corresponding pulse train. (c) RF spectrum. (d) Autocorrelation.
Figure 4:

Fundamental mode-locked operation. (a) Optical spectrum. (b) Corresponding pulse train. (c) RF spectrum. (d) Autocorrelation.

In all-anomalous regimes, pulse can be easily split into multi-pulse because the laser cavity cannot endure the nonlinear phase shift with the increase of the pump power. Hence, harmonic mode-locked operation can be easily achieved by increasing the pump power. The harmonic pulse train of different orders (121st, 167th and 206th) with the span of 20 ns can be obtained, as shown in Figure 5a–c and Figure S2. The maximum harmonic pulse of 206th has been successfully achieved when the pump power increases to 540 mW. The pulse train is within 10 ns and the pulse interval is approximately 1.001 ns (Figure 5c). The inserted figure (screen captured from oscillator) shows the pulse train within 1 µs, from which it can be clearly observed that the pulse train is ultra-stable, indicating its easy control in the practical applications. Figure 5d shows the spectrum with central wavelength of 1559.1 nm and 3 dB bandwidth of 3.1 nm. It can be observed in Figure 5e that the signal peak and the SNR in RF spectrum are 1.01 GHz and 55 dB, respectively. The autocorrelation of the harmonic pulses demonstrates that the pulse duration is 940 fs fitted by the function of hyperbolic secant and the time bandwidth product is around 0.359 (Figure 5f), indicating that the output still has weak chirp.

Figure 5: Harmonic mode-locked operation based on MXene V2CTx nanosheets. (a) Pulse train at pump power of 300 mW. (b) Pulse train at pump power of 450 mW. (c) Pulse train at pump power of 540 mW. (d) Optical spectrum. (e) RF spectrum. (f) Autocorrealtion.
Figure 5:

Harmonic mode-locked operation based on MXene V2CTx nanosheets. (a) Pulse train at pump power of 300 mW. (b) Pulse train at pump power of 450 mW. (c) Pulse train at pump power of 540 mW. (d) Optical spectrum. (e) RF spectrum. (f) Autocorrealtion.

Figure 6a shows that the harmonic order and output power versus pump power. It can be seen that the repetition rate increases from 4.9 MHz to 1.01 GHz with the increase of pump power (27–580 mW). The high input power confirms that V2CTx-SA has a high damage threshold, combined with an excellent nonlinear effect of V2CTx, and the maximum harmonic order can reach 206th at a pump power of 580 mW, which is the highest achieved harmonic mode-locked fiber laser from an MXene SA. Notably, the V2CTx-SA in this work also presents the overall high performances, compared with the reported 2D materials (Table 1), due to the MXene unique properties. In addition, the high harmonic order mode-locked operation can maintain for at least 24 h without any noticeable changes, indicating an ultra-stable mode-locked laser system based on V2CTx SA (Figure 6b). Combined with the high modulation depth (nearly 50%) of V2CTx, it proved that V2CTx can be an ideal candidate SA for PML fiber lasers, which can provide fundamental guidance on the new design of MXene V2CTx-based heterostructures for high-performance mode-locked fiber lasers.

Figure 6: Output performance based on V2CTx. (a) Harmonic order and output power versus pump power. (b) Spectrum by increasing hours.
Figure 6:

Output performance based on V2CTx. (a) Harmonic order and output power versus pump power. (b) Spectrum by increasing hours.

Table 1:

Comparison of output performance of 1.5 µm harmonic mode-locked fiber lasers based on 2D materials.

Modulation depth (%)Repetition rate (GHZ)Pulse duration (ps)Harmonic orderSNR (dB)Ref.
Graphene–0.5610.45101–[51]
SnSe26.380.260.8873112[40]
WS2110.460.664566[52]
Bi2Te33.750.770.635563[53]
Sb2Te3–0.302.28155[54]
Ti3C2Tx0.960.220.853636[43]
V2CTx48.81.010.9420655This work

4 Conclusion

In summary, MXene V2CTx nanosheets were successfully synthesized by selective etching method and directly deposited onto the microfiber to facilitate light–matter interaction between V2CTx nanosheets and the evanescent field of microfiber. It was demonstrated that the Er-doped passively mode-locked fiber laser based on V2CTx SA exhibited the 206th order harmonic mode-locked (1.01 GHz repetition rate) with 940 fs pulse duration with the increase of the pump power, which, to the best of our knowledge, is the highest harmonic mode-locked fiber laser from an MXene SA so far. In addition, with regard to the degradation of common MXene under ambient conditions, such as Ti3C2Tx and Ti2CTx, the long-term stability measurement of MXene V2CTx nanosheets confirms that they have greater potential into the practical applications. Because of facile fabrication, easy harmonic pulse generation and environmental stability, it is expected that MXene V2CTx can shed light on new design for MXene-based heterostructures to construct high-performance mode-locked fiber lasers.

Corresponding authors: Weichun Huang, Nantong Key Lab of Intelligent and New Energy Materials, School of Chemistry and Chemical Engineering, Nantong University, Nantong, 226019, Jiangsu, PR China; Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, PR China, E-mail: ; and Han Zhang, Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, PR China, E-mail:

Funding source: National Natural Science Foundation of China

Award Identifier / Grant number: 61805147

Award Identifier / Grant number: 61875138

Funding source: Science and Technology Innovation Commission of Shenzhen

Award Identifier / Grant number: JCYJ20180305125141661

Award Identifier / Grant number: KQTD2015032416270385

Funding source: Materials and Devices Testing Center at Graduate School at Shenzhen, Tsinghua University

Acknowledgement

W. H. and C. M. contributed equally to this work. The research was supported by the National Natural Science Foundation of China (Grant No. 61805147, and 61875138), and the Science and Technology Innovation Commission of Shenzhen (Grant No. JCYJ20180305125141661, and KQTD2015032416270385). The authors gratefully acknowledge the Materials and Devices Testing Center at Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, P. R. China.

  1. Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: The research was funded by the National Natural Science Foundation of China, Science and Technology Innovation Commission of Shenzhen and Materials and Devices Testing Center at Graduate School at Shenzhen, Tsinghua University.

  3. Employment or leadership: None declared.

  4. Honorarium: None declared.

  5. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Supplementary Material

The online version of this article offers supplementary material (https://doi.org/10.1515/nanoph-2020-0134).

Received: 2020-02-20
Accepted: 2020-05-03
Published Online: 2020-06-17

© 2020 Weichun Huang et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 Public License.

Artikel in diesem Heft

  1. Reviews
  2. All-optical modulation with 2D layered materials: status and prospects
  3. Two-dimensional metal carbides and nitrides (MXenes): preparation, property, and applications in cancer therapy
  4. Novel two-dimensional monoelemental and ternary materials: growth, physics and application
  5. Solution-processed two-dimensional materials for ultrafast fiber lasers (invited)
  6. Recent advances on hybrid integration of 2D materials on integrated optics platforms
  7. Recent progress of pulsed fiber lasers based on transition-metal dichalcogenides and black phosphorus saturable absorbers
  8. Two-dimensional MXene-based materials for photothermal therapy
  9. Advances in inorganic and hybrid perovskites for miniaturized lasers
  10. Visible-wavelength pulsed lasers with low-dimensional saturable absorbers
  11. Hybrid silicon photonic devices with two-dimensional materials
  12. Recent advances in mode-locked fiber lasers based on two-dimensional materials
  13. Research Articles
  14. Ternary chalcogenide Ta2NiS5 nanosheets for broadband pulse generation in ultrafast fiber lasers
  15. All-optical dynamic tuning of local excitonic emission of monolayer MoS2 by integration with Ge2Sb2Te5
  16. Dual-wavelength dissipative solitons in an anomalous-dispersion-cavity fiber laser
  17. Physical vapor deposition of large-scale PbSe films and its applications in pulsed fiber lasers
  18. Double-layer graphene on photonic crystal waveguide electro-absorption modulator with 12 GHz bandwidth
  19. Resonance-enhanced all-optical modulation of WSe2-based micro-resonator
  20. Black phosphorus-Au nanocomposite-based fluorescence immunochromatographic sensor for high-sensitive detection of zearalenone in cereals
  21. Lanthanide Nd ion-doped two-dimensional In2Se3 nanosheets with near-infrared luminescence property
  22. Broadband spatial self-phase modulation and ultrafast response of MXene Ti3C2Tx (T=O, OH or F)
  23. PEGylated-folic acid–modified black phosphorus quantum dots as near-infrared agents for dual-modality imaging-guided selective cancer cell destruction
  24. Dynamic polarization attractors of dissipative solitons from carbon nanotube mode-locked Er-doped laser
  25. Environmentally stable black phosphorus saturable absorber for ultrafast laser
  26. MXene saturable absorber enabled hybrid mode-locking technology: a new routine of advancing femtosecond fiber lasers performance
  27. Solar-blind deep-ultraviolet photodetectors based on solution-synthesized quasi-2D Te nanosheets
  28. Enhanced photoresponse of highly air-stable palladium diselenide by thickness engineering
  29. MoS2-based Charge-trapping synaptic device with electrical and optical modulated conductance
  30. Multifunctional black phosphorus/MoS2 van der Waals heterojunction
  31. MXene Ti3C2Tx saturable absorber for passively Q-switched mid-infrared laser operation of femtosecond-laser–inscribed Er:Y2O3 ceramic channel waveguide
  32. MXene: two dimensional inorganic compounds, for generation of bound state soliton pulses in nonlinear optical system
  33. Layered iron pyrite for ultrafast photonics application
  34. 2D molybdenum carbide (Mo2C)/fluorine mica (FM) saturable absorber for passively mode-locked erbium-doped all-fiber laser
  35. Ultrasensitive graphene position-sensitive detector induced by synergistic effects of charge injection and interfacial gating
  36. Two-dimensional Au & Ag hybrid plasmonic nanoparticle network: broadband nonlinear optical response and applications for pulsed laser generation
  37. The SnSSe SA with high modulation depth for passively Q-switched fiber laser
  38. Palladium selenide as a broadband saturable absorber for ultra-fast photonics
  39. VS2 as saturable absorber for Q-switched pulse generation
  40. Highly stable MXene (V2CTx)-based harmonic pulse generation
  41. Simultaneously enhanced linear and nonlinear photon generations from WS2 by using dielectric circular Bragg resonators
  42. 2D tellurene/black phosphorus heterojunctions based broadband nonlinear saturable absorber
https://doi.org/10.1515/nanoph-2020-0134
Schlagwörter für diesen Artikel
harmonic pulse generation; layered materials; mode-locked fiber lasers; MXene; V2CTx
Creative Commons
BY 4.0

Artikel in diesem Heft

  1. Reviews
  2. All-optical modulation with 2D layered materials: status and prospects
  3. Two-dimensional metal carbides and nitrides (MXenes): preparation, property, and applications in cancer therapy
  4. Novel two-dimensional monoelemental and ternary materials: growth, physics and application
  5. Solution-processed two-dimensional materials for ultrafast fiber lasers (invited)
  6. Recent advances on hybrid integration of 2D materials on integrated optics platforms
  7. Recent progress of pulsed fiber lasers based on transition-metal dichalcogenides and black phosphorus saturable absorbers
  8. Two-dimensional MXene-based materials for photothermal therapy
  9. Advances in inorganic and hybrid perovskites for miniaturized lasers
  10. Visible-wavelength pulsed lasers with low-dimensional saturable absorbers
  11. Hybrid silicon photonic devices with two-dimensional materials
  12. Recent advances in mode-locked fiber lasers based on two-dimensional materials
  13. Research Articles
  14. Ternary chalcogenide Ta2NiS5 nanosheets for broadband pulse generation in ultrafast fiber lasers
  15. All-optical dynamic tuning of local excitonic emission of monolayer MoS2 by integration with Ge2Sb2Te5
  16. Dual-wavelength dissipative solitons in an anomalous-dispersion-cavity fiber laser
  17. Physical vapor deposition of large-scale PbSe films and its applications in pulsed fiber lasers
  18. Double-layer graphene on photonic crystal waveguide electro-absorption modulator with 12 GHz bandwidth
  19. Resonance-enhanced all-optical modulation of WSe2-based micro-resonator
  20. Black phosphorus-Au nanocomposite-based fluorescence immunochromatographic sensor for high-sensitive detection of zearalenone in cereals
  21. Lanthanide Nd ion-doped two-dimensional In2Se3 nanosheets with near-infrared luminescence property
  22. Broadband spatial self-phase modulation and ultrafast response of MXene Ti3C2Tx (T=O, OH or F)
  23. PEGylated-folic acid–modified black phosphorus quantum dots as near-infrared agents for dual-modality imaging-guided selective cancer cell destruction
  24. Dynamic polarization attractors of dissipative solitons from carbon nanotube mode-locked Er-doped laser
  25. Environmentally stable black phosphorus saturable absorber for ultrafast laser
  26. MXene saturable absorber enabled hybrid mode-locking technology: a new routine of advancing femtosecond fiber lasers performance
  27. Solar-blind deep-ultraviolet photodetectors based on solution-synthesized quasi-2D Te nanosheets
  28. Enhanced photoresponse of highly air-stable palladium diselenide by thickness engineering
  29. MoS2-based Charge-trapping synaptic device with electrical and optical modulated conductance
  30. Multifunctional black phosphorus/MoS2 van der Waals heterojunction
  31. MXene Ti3C2Tx saturable absorber for passively Q-switched mid-infrared laser operation of femtosecond-laser–inscribed Er:Y2O3 ceramic channel waveguide
  32. MXene: two dimensional inorganic compounds, for generation of bound state soliton pulses in nonlinear optical system
  33. Layered iron pyrite for ultrafast photonics application
  34. 2D molybdenum carbide (Mo2C)/fluorine mica (FM) saturable absorber for passively mode-locked erbium-doped all-fiber laser
  35. Ultrasensitive graphene position-sensitive detector induced by synergistic effects of charge injection and interfacial gating
  36. Two-dimensional Au & Ag hybrid plasmonic nanoparticle network: broadband nonlinear optical response and applications for pulsed laser generation
  37. The SnSSe SA with high modulation depth for passively Q-switched fiber laser
  38. Palladium selenide as a broadband saturable absorber for ultra-fast photonics
  39. VS2 as saturable absorber for Q-switched pulse generation
  40. Highly stable MXene (V2CTx)-based harmonic pulse generation
  41. Simultaneously enhanced linear and nonlinear photon generations from WS2 by using dielectric circular Bragg resonators
  42. 2D tellurene/black phosphorus heterojunctions based broadband nonlinear saturable absorber
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