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首页> 外文期刊>IEEE journal of selected topics in quantum electronics >Hollow-core waveguides and 2-D waveguide arrays for integrated optics of gases and liquids
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Hollow-core waveguides and 2-D waveguide arrays for integrated optics of gases and liquids

机译：中空波导和二维波导阵列，用于气体和液体的集成光学

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摘要

We present integrated antiresonant reflecting optical (ARROW) structures with hollow cores as a new paradigm for integrated optics with gases and liquids. ARROW waveguides with micrometer-sized hollow cores allow for single-mode propagation in low-index nonsolid core materials where conventional index guiding is impossible. Fabrication methods and considerations are described, and measurements of the core-size dependence of the waveguide loss are presented. We analyze the dependence of waveguide loss in hollow-core ARROW waveguides on polarization, shape, and wavelength. We propose two-dimensional hybrid device geometries using solid and nonsolid core ARROWs and show that they can form the basis of integrated fluorescence and Raman sensors. We derive the design principles for simultaneous low-loss propagation in both waveguides and efficient cross-coupling between waveguides.
机译：我们提出了具有空心的集成反共振反射光学（ARROW）结构，作为气体和液体集成光学的新范例。具有微米级中空芯的ARROW波导允许在低折射率非固态芯材中进行单模传播，而传统的折射率导引是不可能的。描述了制造方法和考虑因素，并介绍了波导损耗对纤芯尺寸的依赖性。我们分析了空心ARROW波导中波导损耗对偏振，形状和波长的依赖性。我们提出了使用固体和非固体核ARROWs的二维混合器件几何结构，并表明它们可以构成集成荧光和拉曼传感器的基础。我们推导了在波导中同时进行低损耗传播以及波导之间有效的交叉耦合的设计原理。

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