激光写入波导的倏逝场

Photonics West - Optoelectronic Materials and Devices Pub Date : 2015-03-20 DOI:10.1117/12.2077189

Dario Jukić, T. Pohl, J. Götte

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引用次数: 2

摘要

研究了激光书写波导表面的倏逝场。波导通过直接飞秒激光写入过程写入熔融二氧化硅，然后将其打磨以暴露引导层。这些波导支持本征模式，本征模式具有一个可伸入波导上方真空的倏逝场。我们研究了修正波导的控制波方程，并给出了其基本特征模的解。

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Evanescent fields of laser written waveguides

We investigate the evanescent field at the surface of laser written waveguides. The waveguides are written by a direct femtosecond laser writing process into fused silica, which is then sanded down to expose the guiding layer. These waveguides support eigenmodes which have an evanescent field reaching into the vacuum above the waveguide. We study the governing wave equations and present solution for the fundamental eigenmodes of the modified waveguides.

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Photonics West - Optoelectronic Materials and Devices

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