Improving solid to hollow core transmission for integrated ARROW waveguides
Improving solid to hollow core transmission for integrated ARROW waveguides
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DOI：
10.1364/oe.16.020981
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发表时间：
2008-12-08
期刊：
影响因子：
3.8
通讯作者：
Hawkins, Aaron R.
中科院分区：
文献类型：
--
作者：
Lunt, Evan J.;Measor, Philip;Hawkins, Aaron R.
基于具有空芯的抗共振反射光波导（ARROW）的光学传感平台已经用于生物分析和原子光谱。这些集成平台要求中空波导与基板上的标准固体波导接口，以将光耦合到测试介质中或从测试介质耦合出来。先前的设计需要这些界面处的光穿过反谐振层。我们提出了一种新的ARROW设计，它的顶部和侧面的空心仅与SiO（2），允许固体和空心波导之间的高界面传输。实验表明，这种设计的接口传输的改善，从35%增加到79%。在这些条件下，如果中空波导的长度小于5.8mm，则可以使用单一的SiO（2）膜来实现更高的光通量。（C）2008年美国光学学会
Optical sensing platforms based on anti-resonant reflecting optical waveguides (ARROWs) with hollow cores have been used for bioanalysis and atomic spectroscopy. These integrated platforms require that hollow waveguides interface with standard solid waveguides on the substrate to couple light into and out of test media. Previous designs required light at these interfaces to pass through the anti-resonant layers. We present a new ARROW design which coats the top and sides of the hollow core with only SiO(2), allowing for high interface transmission between solid and hollow waveguides. The improvement in interface transmission with this design is demonstrated experimentally and increases from 35% to 79%. Given these parameters, higher optical throughputs are possible using single SiO(2) coatings when hollow waveguides are shorter than 5.8 mm. (C) 2008 Optical Society of America