High-power multicore fiber laser systems

Klenke, Arno; Jáuregui, César; Steinkopff, Albrecht; Aleshire, Christopher; Limpert, Jens

doi:10.1016/j.pquantelec.2022.100412

Cited by 19 publications

(6 citation statements)

References 92 publications

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“…An intermode dispersion management STML cavity has been demonstrated using coupling long-period fiber grating 148 . Moreover, multicore fiber (MCF) lasers have emerged as a promising candidate for ultrahigh power solid-state lasers 186 . Mode-locking in them is possible but quite challenging 186 .…”

Section: Discussionmentioning

confidence: 99%

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Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cao,

Gao,

Liu

et al. 2023

Light Sci Appl

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Multimode fiber (MMF) lasers are emerging as a remarkable testbed to study nonlinear spatiotemporal physics with potential applications spanning from high energy pulse generation, precision measurement to nonlinear microscopy. The underlying mechanism for the generation of ultrashort pulses, which can be understood as a spatiotempoal dissipative soliton (STDS), in the nonlinear multimode resonators is the spatiotemporal mode-locking (STML) with simultaneous synchronization of temporal and spatial modes. In this review, we first introduce the general principles of STML, with an emphasize on the STML dynamics with large intermode dispersion. Then, we present the recent progress of STML, including measurement techniques for STML, exotic nonlinear dynamics of STDS, and mode field engineering in MMF lasers. We conclude by outlining some perspectives that may advance STML in the near future.

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Section: Discussionmentioning

confidence: 99%

“…Moreover, multicore fiber (MCF) lasers have emerged as a promising candidate for ultrahigh power solid-state lasers 186 . Mode-locking in them is possible but quite challenging 186 . Mode-locking dynamics may be impacted by optical coupling between neighboring cores, which differs from spatial mode interaction within one core.…”

Section: Discussionmentioning

confidence: 99%

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cao,

Gao,

Liu

et al. 2023

Light Sci Appl

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“…The MFA of the fiber is 1571 µm 2 and a maximum laser output of 115 W was achieved [17]. Although there have been numerous reports on the realization and transmission of highpower lasers by multicore fibers in near-infrared [18][19][20][21], it is rare to see high-power laser transmission in mid-infrared based on chalcogenide fibers. In 2014, a six-core fiber based on As 2 Se 3 with MFA of 14.5 µm 2 at 4 µm was designed, which is six times larger than that of single-core fiber with the same size [22].…”

Section: Introductionmentioning

confidence: 99%

Mid-infrared seven-core chalcogenide fiber with ultra-large mode field area and high beam quality

Wang,

Jiao,

Liang

et al. 2024

J. Phys. D: Appl. Phys.

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A seven-core chalcogenide fiber with an ultra-large mode field for mid-infrared range of 2.5-11 μm is designed and fabricated. Through manipulation of the core radius and pitch in the seven-core configuration, we are engaged in a comprehensive exploration of crosstalk characteristics and the mode field area (MFA). In addition, the relationship between the parameters of seven-core fiber for infrared and the beam quality of the output laser is analyzed for the first time. A theoretical MFA of 8914 μm2 can be calculated with a core radius of 24 μm and the pitch of 50 μm. This impressive MFA is realized through the deployment of an improved drilling technique in the fabrication of a Ge-As-Se seven-core fiber. The fiber has a relatively low loss at the wavelength range of 2.5-11 μm, and the minimum loss is 1.4 dB/m at 8.5 μm. The measured MFA of the fiber at 10.6 μm is 7364 μm2, which is 6.2 times higher than that of traditional stepped single-core fiber, but slightly lower than the theoretical value. The power delivery capability of the fiber has been significantly improved about 2 times compared with that of single-core fiber. The output beam quality factor M2 is calculated as 1.13. In all, the seven-core fiber exhibits substantial potential for high-power laser propagation with high quality and flexibility.

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“…As a result, multi-core fibers find application in diverse fields, including sensing, [47][48][49][50][51] telecommunication, [52][53][54][55] and laser technologies. [56][57][58][59] Here, we report the design, fabrication, and proof-of-concept demonstrations of dual-core and triple-core (type I and type II) suspended hollow fibers for absorption spectroscopy, as depicted in Figure 1. These environmentally safe fibers enable real-time operation and user-friendly detection of chemical, medical, and biological entities.…”

Section: Introductionmentioning

confidence: 99%

“…As a result, multi‐core fibers find application in diverse fields, including sensing, [ 47–51 ] telecommunication, [ 52–55 ] and laser technologies. [ 56–59 ]…”

Section: Introductionmentioning

confidence: 99%

Hollow‐Micropillared Glass Fabricated on Hollow Joe Pye Weed‐Inspired Tubes for Detecting Molecular Signatures

Novikova,

Katiyi,

Sheintop

et al. 2023

Adv Materials Technologies

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A rational design and fabrication approach is proposed for suspended multicore fibers, resulting in the creation of dual‐core and triple‐core suspended fibers with different diameters and one‐side cladding. These fibers are tailored for near‐infrared spectroscopy applications. The multicore‐suspended fibers offer an amplified electromagnetic field effect due to the exposure of the core to the analyte, leading to a significant 16 dB drop in transmittance at the fingerprint absorption line of the analyte. Numerical models indicate that the suspended core with a diameter of 3.52 m exhibits a superior evanescent field in the boundary between the core and the contact point with the cladding, in comparison to the tested cores with diameters of 3.99 and 12.06 m. The successful fabrication of these multicore‐suspended fibers represents a promising advancement toward achieving highly sensitive molecular signature detection capabilities.

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High-power multicore fiber laser systems

Cited by 19 publications

References 92 publications

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Mid-infrared seven-core chalcogenide fiber with ultra-large mode field area and high beam quality

Hollow‐Micropillared Glass Fabricated on Hollow Joe Pye Weed‐Inspired Tubes for Detecting Molecular Signatures

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