100-W-level single-mode ytterbium-free erbium fiber laser

Michaud, Louis-Charles; Veilleux, Catherine; Bilodeau, Guillaume; Gilbert-Paquet, Olivier; Lebel-Cormier, Marie-Anne; Lemieux-Tanguay, Maxime; Pelletier-Ouellet, Samantha; Paradis, Pascal; Bellec, Matthieu; Grégoire, Nicolas; Morency, Steeve; Messaddeq, Younès; Bernier, Martin

doi:10.1364/ol.427291

Cited by 8 publications

(3 citation statements)

References 22 publications

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“…On the basis of cladding-pump technology, high-power multimode LDs at 790 nm and highly Tm-doped fibers, the output power of HPFLs exploiting Tm-doped fibers has exceeded the power level of Er-doped fibers gradually and a kilowatt-level output [102] has been achieved as early as 2010, representing the highest CW output power produced by Tm-doped fiber reported publicly currently. In 2018, a Tm-doped chirped pulse amplifier system with a record average power of up to 1150 W and the peak power of more than 5 GW was demonstrated, which brings exciting prospects for [46][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63], c all-fiber laser amplifiers operating at ~ 1 μm [13, 14, 16-19, 35, 64-83], d all-fiber Er-doped lasers and Er-Ybco-doped lasers operating at ~ 1.5 μm , e all-fiber Tm-doped lasers operating at ~ 2 μm [94][95][96][97][98][99][100][101][102][103][104][105][106][107][108][109][110][111][112][113]. f Emission cross sections of Er 3+ , Ho 3+ and Dy 3+ ions in mid-infrared waveband [114].…”

Section: Records For Laser Fibers Operating At 1-2 μM (Near-infrared ...mentioning

confidence: 99%

Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

et al. 2022

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The success of high-power fiber lasers is fueled by maturation of active and passive fibers, combined with the availability of high-power fiber-based components. In this contribution, we first overview the enormous potential of rare-earth doped fibers in spectral coverage and recent developments of key fiber-based components employed in high-power laser systems. Subsequently, the emerging functional active and passive fibers in recent years, which exhibit tremendous advantages in balancing or mitigating parasitic nonlinearities hindering high-power transmission, are outlined from the perspectives of geometric and material engineering. Finally, novel functional applications of conventional fiber-based components for nonlinear suppression or spatial mode selection, and correspondingly, the high-power progress of function fiber-based components in power handling are introduced, which suggest more flexible controllability on high-power laser operations. Graphical abstract

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Section: Records For Laser Fibers Operating At 1-2 μM (Near-infrared ...mentioning

confidence: 99%

Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

et al. 2022

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“…In silica fiber, the Er 3+ ions have small absorption cross-sections at ~980 nm, and a serious concentration quenching effect [6,7]. The current output power record of the singlemode Er 3+ -doped silica fiber amplifier is only 107 W [8]. To increase the output power further, doping the Yb 3+ ions can effectively improve the pump absorption coefficient [1,9].…”

Section: Introductionmentioning

confidence: 99%

Temperature Dependence of Absorption and Energy Transfer Efficiency of Er3+/Yb3+/P5+ Co-Doped Silica Fiber Core Glasses

et al. 2022

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A high phosphorus Er3+/Yb3+ co-doped silica (EYPS) fiber core glass was prepared using the sol-gel method combined with high-temperature sintering. The absorption spectra, emission spectra, and fluorescence decay curves were measured and compared in temperatures ranging from 300 to 480 K. Compared to 915 and 97x nm, the absorption cross-section at ~940 nm (~0.173 pm2) demonstrates a weaker temperature dependence. Hence, the 940 nm pump mechanism is favorable for achieving a high-power laser output at 1.5 μm. Additionally, the double-exponential fluorescence decay of Yb3+ ions and the emission intensity ratio of I1018nm/I1534nm were measured to evaluate the energy transfer efficiency from Yb3+ ions to Er3+ ions. Through the external heating and active quantum defect heating methods, the emission intensity ratios of I1018nm/I1534nm increase by 30.6% and 709.1%, respectively, from ~300 to ~480 K. The results indicate that the temperature rises significantly reduce the efficiency of the energy transfer from the Yb3+ to the Er3+ ions.

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“…Due to these restrictions, it is still highly intriguing to develop high-power sources without Yb 3+ as a co-dopant. 25,26 One frequently recurring trade-off in Er 3+ -doped fibre lasers is the conciliation between pump absorption and the appearance of clustering when the Er 3+ ion concentration is increased. One strategy for minimizing the Er 3+ clustering at high concentrations is using glass matrix/co-dopants.…”

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confidence: 99%

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

Prasanth,

Ravi,

Thyagarajan

2024

ECS J. Solid State Sci. Technol.

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The study focused on investigating the thermal, structural, and luminescent properties of bismuth borate glasses doped with erbium (Er3+) ions and modified with Gd2O3, K2O, and Li2O (BBGKL: Erx) aiming for fiber lasers. Two glass transition temperatures were observed at 381 (Tg1) and 471 K (Tg2) for BBGKL glass. O1s de-convolution spectrum bridging oxygens for BBGKL glass, including B-O, Bi-O, Li2O, and K2O, were discovered by X-ray photoelectron spectroscopy. Both the photoluminescence 4I13/2→4I15/2 NIR and the absorption bands from the UV-visible-near infrared (NIR) spectrum were found to occur at 1531 nm for BBGKL: Er. Luminescence quenching was not noticed up to 3.0 mol% of Er3+ ion concentration. The BBGKL: Er0.5 glass has a remarkable connection between its absorbance and emission cross-sections of 0.77 and 0.82 x 10-20 cm2, respectively. The longest lifetime of green emission for the 4S3/2→4I15/2 transition was found for BBGKL: Er2.0 glass at 10.6 µs and 1531 nm NIR emission for the 4I13/2→4I15/2 transition of BBGKL: Er0.5 glass was 0.77 ms. In the 1413-1728 nm NIR band region for BBGKL:Er3.0, high-optical-gain cross-section G(λ) was promising for the population inversion at γ=0.6. These findings suggest that the BBGKL: Er0.5 glass would prove helpful in NIR fiber laser applications

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100-W-level single-mode ytterbium-free erbium fiber laser

Cited by 8 publications

References 22 publications

Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

Temperature Dependence of Absorption and Energy Transfer Efficiency of Er3+/Yb3+/P5+ Co-Doped Silica Fiber Core Glasses

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

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