Diode-pumped few-optical-cycle laser based on an ytterbium-doped disordered strontium yttrium borate crystal.

IF 3.1 2区 物理与天体物理 Q2 OPTICS
Optics letters Pub Date : 2025-04-01 DOI:10.1364/OL.559850
Huang-Jun Zeng, Zhang-Lang Lin, Shijia Sun, Pavel Loiko, Haifeng Lin, Ge Zhang, Zhoubin Lin, Chengbo Mou, Xavier Mateos, Valentin Petrov, Weidong Chen
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引用次数: 0

Abstract

We report on a power-scalable, diode-pumped sub-20-fs mode-locked (ML) laser based on a multisite ytterbium-doped strontium yttrium borate crystal, Yb:Sr3Y2(BO3)4, exhibiting broadband spectral gain. Pumping with a low-power, spatially single-mode laser diode, the Yb:Sr3Y2(BO3)4 laser produces soliton pulses as short as 19 fs at 1073.1 nm via soft-aperture Kerr-lens mode locking. A record-high average output power of 131 mW for such pulse durations represents a sixfold increase compared to the previous work. Peak pulse powers as high as ∼140 kW were achieved, increasing the average output power to 328 mW at 1070.5 nm for a slightly longer pulse duration of 28 fs. This corresponds to an impressive laser efficiency of 30%. The results highlight the potential of diode-pumped ytterbium lasers operating in the few-optical-cycle regime for achieving simultaneously high average output power and laser efficiency.

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来源期刊
Optics letters
Optics letters 物理-光学
CiteScore
6.60
自引率
8.30%
发文量
2275
审稿时长
1.7 months
期刊介绍: The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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