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Particle swarm optimization-based approach for accurate evaluation of upconversion parameters in Er~(3+)-doped fibers

机译:基于粒子群优化的Er〜(3+)掺杂光纤上转换参数准确评估方法

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摘要

In this Letter, a method for recovering homogeneous upconversion coefficients (HUCs) in Er~(3+)-doped glasses and erbium-activated devices is illustrated. It is based on a particle swarm optimization (PSO) approach. The HUCs are calculated on the basis of known values of optical gain evaluated in different pumping conditions. The obtained numerical results proof that the proposed technique provides solutions that are very close to the expected values. Therefore the method constitutes a tool for the design and optimization of efficient rare-earth doped lasers and optical amplifiers. This approach can be considered a feasible and valid alternative method in the field of material science and optical engineering for determining HUCs and avoiding the employment of expensive equipment for the measurement of ion-ion interaction parameters.
机译:在这封信中,说明了一种用于恢复掺Er〜(3+)的玻璃和er激活器件中的均质上转换系数(HUC)的方法。它基于粒子群优化(PSO)方法。根据在不同泵浦条件下评估的光学增益的已知值来计算HUC。获得的数值结果证明,所提出的技术提供了非常接近期望值的解决方案。因此,该方法构成了用于设计和优化高效稀土掺杂激光器和光放大器的工具。在材料科学和光学工程领域中,此方法可被视为确定HUC并避免使用昂贵的设备来测量离子-离子相互作用参数的可行且有效的替代方法。

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