Thermo-Optical Effects in Tm-Doped Large mode Area Photonic Crystal Fibers

机译：Tm掺杂的大模面积光子晶体光纤中的热光效应

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Designs of Tm-doped photonic crystal fibers for laser operation must take in account the strong thermo-optical effects due to the Tm quantum defect and the consequent corruption of the single mode guiding properties. A new fiber design with a ～ 80 μm core diameter, based on the cladding mirror symmetry reduction is proposed and analyzed using a full-vector FEM-based modal solver. The thermal effects are investigated using a computationally efficient model. A large pitch fiber with similar core diameter, which represents the actual state-of-art of Tm-doped laser technology, has been investigated in order to have a basis of comparison. Optimizing some key parameters of the new symmetry free fiber, the possibility to achieve a wide band single mode operation under an heavy heat load of over 300 W/m is demonstrated. In particular a very high modal discrimination value larger than 0.5 is obtained.

机译：用于激光器工作的掺有Tm的光子晶体光纤的设计必须考虑到由于Tm量子缺陷以及随之而来的单模导引特性的破坏而产生的强烈的热光效应。提出了一种基于包层镜对称性减小的纤芯直径约为80μm的新光纤设计，并使用基于全矢量FEM的模态求解器进行了分析。使用计算有效的模型研究热效应。为了比较的基础，已经研究了具有相似纤芯直径的大螺距光纤，该光纤代表了掺Tm激光技术的实际最新技术。优化了新型无对称光纤的一些关键参数，证明了在超过300 W / m的高热负荷下实现宽带单模运行的可能性。特别地，获得大于0.5的非常高的模态鉴别值。

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来源
《Fiber lasers XI: technology, systems, and applications》|2014年|89612Q.1-89612Q.7|共7页
会议地点 San Francisco CA(US)
作者
Carlo Molardi; Enrico Coscelli; Annamaria Cucinotta; Stefano Selleri;
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作者单位

Information Engineering Department, University of Parma, I-43124 Parma, Italy;

Information Engineering Department, University of Parma, I-43124 Parma, Italy;

Information Engineering Department, University of Parma, I-43124 Parma, Italy;

Information Engineering Department, University of Parma, I-43124 Parma, Italy;

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正文语种 eng
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关键词
Thulium-doped fibers; Thermal effects; Large mode area photonic crystal fibers; Reduced symmetry cladding;

机译：掺fibers纤维；热效应；大模面积光子晶体光纤；减少对称覆层;

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1. Gigahertz-repetition-rate Tm-doped fiber laser passively mode-locked by optoacoustic effects in nanobore photonic crystal fiber [J] . Pang M., He W., Russell P. St. J. Optics Letters . 2016,第19期

机译：纳米孔光子晶体光纤中光声效应被动锁模千兆赫兹重复频率Tm掺杂光纤激光器
2. The Second Order Guided Modes Based on Photonic Bandgap Effects in Air/Glass Photonic Crystal Fibers [J] . 姚磊, 娄淑琴, 简水生中国物理快报：英文版 . 2009,第012期

机译：空气/玻璃光子晶体光纤中基于光子带隙效应的二阶导模。
3. The Second Order Guided Modes Based on Photonic Bandgap Effects in Air/Glass Photonic Crystal Fibers [J] . YAO Lei, LOU Shu-Qin, JIAN Shui-Sheng 中国物理快报：英文版 . 2009,第012期

机译：空气/玻璃光子晶体光纤中基于光子带隙效应的二阶导模。
4. Thermo-optical effects in large mode area photonic crystal fibers [C] . Cucinotta Annamaria, Coscelli Enrico, Poli Federica, International Conference on Transparent Optical Networks . 2014

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5. Modeling and simulation of photonic crystal fibers and distributed feedback photonic crystal fiber lasers. [D] . Wu, Feng. 2005

机译：光子晶体光纤和分布式反馈光子晶体光纤激光器的建模和仿真。
6. Anomalous transparency in photonic crystals and its application to point-by-point grating inscription in photonic crystal fibers [O] . Tigran Baghdasaryan, Thomas Geernaert, Karima Chah, -1

机译：光子晶体的异常透明性及其在光子晶体光纤中逐点光栅刻印中的应用
7. Low-loss polarization-maintaining fusion splicing of single-mode fibers and hollow-core photonic crystal fibers, relevant for monolithic fiber laser pulse compression [O] . Kristensen, Jesper Toft, Houmann, Andreas, Liu, Xiaomin, 2008

机译：单模光纤和空心光子晶体光纤的低损耗保偏熔接，与单片光纤激光脉冲压缩有关

Thermo-Optical Effects in Tm-Doped Large mode Area Photonic Crystal Fibers

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