掺锝 4 × 4 方阵偏振维持大模面积光纤的设计与性能研究

IF 4 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical and Quantum Electronics Pub Date : 2024-12-14 DOI:10.1007/s11082-024-07953-9

Haohao Gao, Wenshi Liu, Xiao Shen

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引用次数: 0

摘要

基于非耦合多芯光纤的激光相干束组合技术近年来取得了许多突破性成果。提高激光相干光束组合的效率和功率。本文首次设计了一种掺铥的4 × 4方阵保偏大模面积光纤。每个磁芯被空气孔包围，并受到两个对称圆形应力区域的应力，从而实现了保偏特性和单模工作，每个磁芯的模场面积达到246.84 μm2。x极化的最小调频损耗为3.14 dB/m， y极化的最大调频损耗为0.1 dB/m， LP11模式损耗最小为18.44 dB/m。结果表明，掺铥的4 × 4阵列保偏和大模场光纤可用于激光相干偏振组合系统，实现更高的组合效率。

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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Design and performance study of a Tm-doped 4 × 4 square array polarization-maintaining large-mode-area fiber

Laser coherent beam combination technology based on uncoupled multicore fibers has achieved many breakthrough results in recent years. To improve the efficiency and power of laser coherent beam combination. This paper designed a thulium-doped 4 × 4 square array polarization-maintaining large mode area fiber for the first time. Each core is surrounded by air holes and stressed by two symmetrical circular stress regions, as a result, polarization-maintaining characteristics and single-mode operation have been implemented, and the mode field area of each core reaches 246.84 μm². The minimum FM loss for X-polarization is 3.14 dB/m, the maximum FM loss for Y-polarization is 0.1 dB/m, and the minimum LP₁₁ mode loss is 18.44 dB/m. These results show that the thulium-doped 4 × 4 array polarization-maintaining and large-mode-field fibers can be applied in laser coherent polarization combination systems to achieve higher combination efficiency.

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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.