Ultrahigh <italic>Q</italic> Polymer Microring Resonators for Biosensing Applications

Tu Xin; Chen Sung-Liang; Song Chaolong; Huang Tianye; Guo L. Jay

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Ultrahigh Q Polymer Microring Resonators for Biosensing Applications

机译：用于生物传感应用的超高 Q 聚合物微环谐振器

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摘要

The capability of an ultrahigh Q polymer microring resonator as a biosensing system is systematically investigated. By optimizing the device design and fabrication process, the device operates in the slightly under-coupled regime with a record intrinsic Q factor of 8.0 x 10(5), which offers a high sensitivity and low detection limit. In surface mass detection, a surface mass density of 12.7 pgimm(2) of bovine serum albumin is detected due to the physical adsorption. The noise-equivalent detection limit is approximately 5.3 pg/mm(2) in a wavelength-shift scheme and 55.9 fg/mm(2) in an intensity-variation scheme. These results show that the best sensing performance with the on-chip polymer ring resonator system is achieved.

机译：系统地研究了超高Q聚合物微环谐振器作为生物传感系统的能力。通过优化器件的设计和制造工艺，器件可在稍微欠耦合的状态下工作，其固有Q因子达到8.0 x 10（5）的记录，这提供了高灵敏度和低检测限。在表面质量检测中，由于物理吸附，检测到的牛血清白蛋白的表面质量密度为12.7 pgimm（2）。在波长偏移方案中，等效于噪声的检测极限约为5.3 pg / mm（2），在强度变化方案中，等效于55.9 fg / mm（2）。这些结果表明，使用片上聚合物环形谐振器系统可获得最佳感测性能。

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来源
《Photonics Journal, IEEE》 |2019年第2期|1-10|共10页
作者
Tu Xin; Chen Sung-Liang; Song Chaolong; Huang Tianye; Guo L. Jay;
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作者单位

China Univ Geosci, Sch Mech Engn & Elect Informat, Wuhan 430074, Hubei, Peoples R China;

Shanghai Jiao Tong Univ, Univ Michigan Shanghai Jiao Tong Univ Joint Inst, Shanghai 200240, Peoples R China;

China Univ Geosci, Sch Mech Engn & Elect Informat, Wuhan 430074, Hubei, Peoples R China;

China Univ Geosci, Sch Mech Engn & Elect Informat, Wuhan 430074, Hubei, Peoples R China;

Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Biosensor; ring resonator;

机译：生物传感器;环形谐振器;

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Ultrahigh Q Polymer Microring Resonators for Biosensing Applications

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