用Comsol Multiphysics软件模拟光纤耦合器

IF 0.5 Q4 PHYSICS, APPLIED

Latvian Journal of Physics and Technical Sciences Pub Date : 2022-10-01 DOI:10.2478/lpts-2022-0036

E. Elsts, A. Supe, S. Spolitis, K. Zakis, S. Olonkins, A. Udalcovs, R. Murnieks, U. Seņkāns, D. Prigunovs, L. Ģēģere, K. Draguns, I. Lukoševičs, O. Ozolins, J. Grube, V. Bobrovs

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引用次数: 0

摘要

摘要本文提出了一种用于耦合信号源和泵浦源辐射的特殊光耦合器的仿真模型，用于实现包层泵浦掺杂光纤放大器。该模型是在COMSOL Multiphysics中开发的，用于评估不同侧面抽运角度和不同电磁模式数量的抽运效率。所获得的结果表明，当代表泵浦源和信号源的两条光纤在它们的中心轴之间形成10度角时，在5-14个模式下实现了75%以上的最高泵浦效率。对最佳模式数量的搜索对应于光耦合器技术的发展趋势，其中发光二极管（LED）的多模泵浦用激光二极管（LD）的单模泵浦取代了经典方案。

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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Fibre Optical Coupler Simulation by Comsol Multiphysics Software

Abstract The paper presents a simulation model developed for a special optical coupler intended for coupling radiation from signal and pump sources used for the realization of cladding-pumped doped fibre amplifiers. The model is developed in COMSOL Multiphysics and used to assess the pumping efficiency for different side pumping angles and different numbers of electromagnetic modes. The obtained results show that the highest pumping efficiency, above 75 %, is achieved for 5–14 modes when two fibres representing the pump source and the signal source form a 10-degree angle between their central axes. The search for the optimal number of modes corresponds to the development trend in optical coupler technology where the multimode pumping by light-emitting diode (LED) replaces the classical scheme with a single-mode pumping by a laser diode (LD).

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来源期刊

Latvian Journal of Physics and Technical Sciences PHYSICS, APPLIED-

CiteScore

1.50

自引率

16.70%

发文量

审稿时长

5 weeks

期刊介绍： Latvian Journal of Physics and Technical Sciences (Latvijas Fizikas un Tehnisko Zinātņu Žurnāls) publishes experimental and theoretical papers containing results not published previously and review articles. Its scope includes Energy and Power, Energy Engineering, Energy Policy and Economics, Physical Sciences, Physics and Applied Physics in Engineering, Astronomy and Spectroscopy.