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Single-mode light guiding in diamond waveguides directly written by a focused proton beam

机译:用聚焦质子束直接写入金刚石波导的单模光线

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Ion-implanted waveguides were directly written in bulk single-crystal diamond by scanning a focused 2MeV proton beam. By controlling the fluence and the lateral size of the proton beam, a bright and near-circular single-mode profile was observed. Propagation loss and effective refractive index of the guided mode were measured by the Fabry Perot technique, confirming single-mode guiding. MicroRaman maps of the waveguides were used to visualize damage profiles and defect distributions induced by the proton beam. The demonstration of single-mode light guiding in our waveguides shows that direct proton beam writing is a promising tool in the rapid manufacture of integrated optical circuits in bulk diamond. (c) 2018 Optical Society of America
机译:通过扫描聚焦的2MEV质子束将离子植入的波导直接用散装单晶金刚石写入。 通过控制质子束的光线和横向尺寸,观察到明亮和近圆形的单模曲线。 通过法布里珀罗技术测量引导模式的传播损失和有效折射率,确认单模引导。 波导的微生物图用于可视化由质子束引起的损伤曲线和缺陷分布。 在我们的波导中的单模光引导的示范表明,直接质子梁写入是在散装金刚石中的集成光电路的快速制造中的有希望的工具。 (c)2018年光学学会

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