基于NLMMI-NPR混合锁模机制的掺镱光纤激光器中的多脉冲束

IF 3.1 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION

Infrared Physics & Technology Pub Date : 2024-11-27 DOI:10.1016/j.infrared.2024.105646

Jinpeng Duan , Qixing Yu , Yaoyao Qi , Sumei Jia , Zhenxu Bai , Yulei Wang , Zhiwei Lu

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引用次数: 0

摘要

在这项研究中，我们提出了一种基于非线性多模干涉-非线性偏振旋转（NLMMI-NPR）混合锁模机制的新型掺镱超快光纤激光器。在线性腔中实现了稳定的单脉冲锁模状态，重复频率为12.8 MHz。通过调节腔内的极化状态和泵浦功率，可获得多种特征模式，包括多脉冲束态、二、三谐波锁模态、二、三谐波多脉冲束态和混沌多脉冲态。这是基于NLMMI-NPR混合锁模机制的掺镱超快光纤激光器中多脉冲束的首次探索。多脉冲锁模光纤激光器以其更高的能量和更宽的脉冲宽度在许多领域具有独特的优势。

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Multipulse bunches in the Yb-doped mode-locked fiber laser based on NLMMI-NPR hybrid mode locked mechanism

In this study, we propose a novel Ytterbium-doped ultrafast fiber laser based on nonlinear multimode interference-nonlinear polarization rotation (NLMMI-NPR) hybrid mode-locked mechanism. Stable single-pulse mode-locked state is achieved in the linear cavity, with a repetition rate of 12.8 MHz. By adjusting the polarization state and pump power inside the cavity, various characteristic modes are obtained, including multipulse bunches, second- and third-harmonic mode-locked states, second- and third-harmonic multipulse bunches states, and a chaotic multipulse state. This is the first exploration of multipulse bunches in Ytterbium-doped ultrafast fiber lasers based on the NLMMI-NPR hybrid mode-locked mechanism. And multipulse mode-locked fiber lasers have unique advantages in numerous fields owing to their higher energy and wider pulse width.

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来源期刊

Infrared Physics & Technology 物理-光学

CiteScore

5.70

自引率

12.10%

发文量

400

审稿时长

67 days

期刊介绍： The Journal covers the entire field of infrared physics and technology: theory, experiment, application, devices and instrumentation. Infrared'' is defined as covering the near, mid and far infrared (terahertz) regions from 0.75um (750nm) to 1mm (300GHz.) Submissions in the 300GHz to 100GHz region may be accepted at the editors discretion if their content is relevant to shorter wavelengths. Submissions must be primarily concerned with and directly relevant to this spectral region. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry, engineering and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics, image processing and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring.