Numerical study on the minimum modulation depth of a saturable absorber for stable fiber laser mode locking

Jeon, Jinwoo; Lee, Junsu; Lee, Ju Han

doi:10.1364/josab.32.000031

Cited by 136 publications

(31 citation statements)

References 37 publications

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“…The MD, as the main characterization parameter of the nonlinear absorption of SA which is greatly affected by thickness, has a great impact on the performance of the laser. As early as 2015, Jeon et al theoretically analyzed the influence of MD on the performance of the mode‐locked laser 342. When the net cavity GVD of the laser is set as −0.2 ps 2 , the pulse duration shows a downward trend as the MD increased.…”

Section: Fiber Laser Based On 2d Materialsmentioning

confidence: 99%

Recent Advances of 2D Materials in Nonlinear Photonics and Fiber Lasers

Liu

et al. 2020

Advanced Optical Materials

143

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The explosive success of graphene opens a new era of ultrathin 2D materials. It has been realized that the van der Waals layered materials with atomic and less atomic thickness can not only exist stably, but also exhibit unique and technically useful properties including small size effect, surface effect, macro quantum tunnel effect, and quantum effect. With the extensive research and revealing of the basic optical properties and new photophysical properties of 2D materials, a series of potential applications in optical devices have been continuously demonstrated and realized, which immediately roused an upsurge of study in the academic circle. Therefore, the application of 2D materials as broadband, efficient, convenient, and versatile saturable absorbers in ultrafast lasers is a potential and promising field. Herein, the main preparation methods of 2D materials are reviewed and technical guidelines for identifying and characterizing layered 2D materials are provided. After investigating the characteristics of 2D materials thoroughly in nonlinear optics, their performances in fiber lasers are comprehensively summarized according to the types of materials. Finally, some developmental challenges, potential prospects, and future research directions are summarized and presented for such promising materials.

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Section: Fiber Laser Based On 2d Materialsmentioning

confidence: 99%

Recent Advances of 2D Materials in Nonlinear Photonics and Fiber Lasers

Liu

et al. 2020

Advanced Optical Materials

143

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show abstract

“…Nonlinear loop mirrors can be realized in environmentallystable designs, but usually require precise control of the power splitting, which complicates saturation tuning and obtaining self-starting behavior. Finally, high-energy mode-locked fiber lasers require saturable absorption with very high modulation depth (often >70%) [35][36][37]. To date, this criterion has only been reliably met by NPE, with its attendant, aforementioned disadvantages.…”

Section: Limiting Processes In High-performance Fiber Oscillatorsmentioning

confidence: 99%

Several new directions for ultrafast fiber lasers [Invited]

et al. 2018

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Ultrafast fiber lasers have the potential to make applications of ultrashort pulses widespread - techniques not only for scientists, but also for doctors, manufacturing engineers, and more. Today, this potential is only realized in refractive surgery and some femtosecond micromachining. The existing market for ultrafast lasers remains dominated by solid-state lasers, primarily Ti:sapphire, due to their superior performance. Recent advances show routes to ultrafast fiber sources that provide performance and capabilities equal to, and in some cases beyond, those of Ti:sapphire, in compact, versatile, low-cost devices. In this paper, we discuss the prospects for future ultrafast fiber lasers built on new kinds of pulse generation that capitalize on nonlinear dynamics. We focus primarily on three promising directions: mode-locked oscillators that use nonlinearity to enhance performance; systems that use nonlinear pulse propagation to achieve ultrashort pulses without a mode-locked oscillator; and multimode fiber lasers that exploit nonlinearities in space and time to obtain unparalleled control over an electric field.

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“…Note that further narrowing of the pulse width could be possible via system optimization since SnSe was proven to have a highly nonlinear modulation depth. In fiber laser technologies, the modulation depth issue becomes more important at the wavelength shorter than 1.3 µm since a low modulation depth hardly induces ultrashort mode‐locked pulses under a normal dispersion in silica fibers . Taking into account both the nonlinear modulation depth and the mode‐locked laser pulse width, SnSe is at the top level among all 2D‐material‐based SAs developed so far, as demonstrated in Figure in which the upper left corner indicates desirable material characteristics for the combined ranking of these performances.…”

Section: Resultsmentioning

confidence: 97%

van der Waals Layered Tin Selenide as Highly Nonlinear Ultrafast Saturable Absorber

Jhon

Lee

Seo

et al. 2019

Advanced Optical Materials

Self Cite

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Until now, III-V semiconductors have been primarily employed for commercial SAs because of their certified stabilities and performance. However, they suffer from limited operating bandwidth and expensive fabrication costs, which demand the development of new costeffective broadband SAs, ideally with more superior performance. To this end, a variety of materials have been investigated thus far, which include carbon nanotubes, [5][6][7][8][9][10][11][12] black phosphorus, [13][14][15][16][17][18] gold nanoparticles [19][20][21][22][23] and/or nanorods, [24] filled-skutterudites, [25] and topological insulators (TIs). [26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] Recently, enormous research efforts have been dedicated to 2D materials such as graphene, [41][42][43][44][45][46][47][48] graphene oxide, [49] phosphorene, [50] and transition-metal dichalcogenides (TMDCs), as well as MXene that was first suggested by our recent study indi-

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Numerical study on the minimum modulation depth of a saturable absorber for stable fiber laser mode locking

Cited by 136 publications

References 37 publications

Recent Advances of 2D Materials in Nonlinear Photonics and Fiber Lasers

Recent Advances of 2D Materials in Nonlinear Photonics and Fiber Lasers

Several new directions for ultrafast fiber lasers [Invited]

van der Waals Layered Tin Selenide as Highly Nonlinear Ultrafast Saturable Absorber

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