基于Sb2Se3 SA的锁模光纤激光器，具有可切换的单、双波长脉冲和多频率NLSPs

IF 5 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-07-02 DOI:10.1016/j.optlastec.2025.113492

Xingwei Li , Yanjun Zhang , Huijing Du , Peng Wang , Geng Li , Meng Li , Ling Qin , Jiaxin Zhang , Yubin Zhang , Menglei Pei , Shuguang Li , Jianshe Li

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引用次数: 0

摘要

Sb2Se3是一种理想的光电材料，可用于光调制器、光纤激光器等光电领域。本文采用锥形纤维制备Sb2Se3饱和吸收体。测量结果表明，它具有良好的非线性特性，调制深度为5.8%。基于锥形光纤Sb2Se3可饱和吸收体的光纤激光器，实现了单波长和双波长可调谐，在孤子脉冲和多频率噪声（如方波）之间切换。由于模态竞争，谐振腔内的频率数随泵浦功率的增加先增加后减少。Sb2Se3为探索具有不同脉冲类型和双波长的超短脉冲源开辟了新的途径，突出了其在非线性光学材料和超快脉冲产生方面的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A mode-locked fiber laser based on Sb2Se3 SA with switchable single, dual wavelength pulses and multi-frequencies NLSPs

Sb₂Se₃ is an ideal optoelectronic material, which can be used in optoelectronic fields such as optical modulators and fiber lasers. In this paper, Sb₂Se₃ saturable absorber is made by tapered fiber. The measured results reflect that it has good nonlinear characteristics, and the modulation depth is 5.8%. A fiber laser based on tapered fiber Sb₂Se₃ saturable absorber is constructed, achieving single and dual wavelength tunability, switching between soliton pulses and multi-frequencies noise like square pulses. Due to mode competition, we find the number of frequencies in the resonator increases first and then decreases with the increase of pump power. Sb₂Se₃ opens up new avenues for exploring ultra-short pulse sources with varied pulse types and dual wavelengths, highlighting its potential for nonlinear optical materials and ultrafast pulse generation.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems