Cavity-length optimization for short pulses generation in passively Q-switched EDFL using MAX-phase boride compounds

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical and Quantum Electronics Pub Date : 2025-05-08 DOI:10.1007/s11082-025-08232-x

Abdulkadir Mukhtar Diblawe, Alabbas A. Al-Azzawi, Jassim K. Hmood, Mustafa Mohammed Najm, Kaharudin Dimyati, Sulaiman Wadi Harun

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引用次数: 0

Abstract

In this paper, we optimized the configuration of a Q-switched erbium-doped fiber laser (EDFL) for generating short laser pulses using the MAX-phase composite film. The MAX-phase ceramic film was prepared by implanting powder of molybdenum aluminum boride (MoAlB) in polyvinyl alcohol (PVA) polymer using a drop and casting process. Afterward, the proposed film was incorporated into EDFL with different cavity lengths to obtain a narrow laser pulse. Laser rings with 6 m and 3 m lengths were chosen to study the performance of the proposed EDFL. In the case of 6 m cavity length, the Q-switching operation was stable over varying pump power from 50.46 mW to 80.99 mW, producing laser pulses with a repetition rate ranging from 48.66 kHz to 58.86 kHz with a width of 2.05 µs to 1.24 µs. However, optimizing the EDFL cavity length to 3 m led to an increase in the pulse rate to 99.23 kHz and a reduction in the pulse width to 840 ns. The maximum output power was 0.21 mW with pulse energy of 2.11 nJ.

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利用max相硼化物产生被动调q EDFL短脉冲的腔长优化

在本文中，我们优化了调q掺铒光纤激光器（EDFL）的结构，利用max相位复合薄膜产生短激光脉冲。将钼铝硼化物（MoAlB）粉末注入聚乙烯醇（PVA）聚合物中，采用滴铸法制备了max相陶瓷膜。然后，将所提出的薄膜加入不同腔长的EDFL中，以获得窄激光脉冲。选取长度为6 m和3 m的激光环来研究所提出的EDFL的性能。在腔长为6 m的情况下，在泵浦功率从50.46 mW到80.99 mW的范围内，调q操作是稳定的，产生的激光脉冲重复率为48.66 kHz到58.86 kHz，宽度为2.05µs到1.24µs。然而，将EDFL腔长优化到3 m后，脉冲速率增加到99.23 kHz，脉冲宽度减少到840 ns。最大输出功率为0.21 mW，脉冲能量为2.11 nJ。

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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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.