Materials, Photonic Devices, and Sensors

Theoretical analysis of microring resonator-based biosensor with high resolution and free of temperature influence

[+] Author Affiliations
Aoqun Jian, Lu Zou, Haiquan Tang, Qianqian Duan, Jianlong Ji, Shengbo Sang

Taiyuan University of Technology, MicroNano System Research Center, Taiyuan, China

Shanxi Province and Ministry of Education, Key Laboratory of Advanced Transducers and Intelligent Control System, Taiyuan, China

Qianwu Zhang

Shanghai University, Key Laboratory Specialty Fiber Optics and Optical Access Networks, Shanghai, China

Xuming Zhang

Taiyuan University of Technology, MicroNano System Research Center, Taiyuan, China

Hong Kong Polytechnic University, Shenzhen Research Institute, Shenzhen, China

Opt. Eng. 56(6), 067103 (Jun 02, 2017). doi:10.1117/1.OE.56.6.067103
History: Received March 6, 2017; Accepted May 11, 2017
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Abstract.  The issue of thermal effects is inevitable for the ultrahigh refractive index (RI) measurement. A biosensor with parallel-coupled dual-microring resonator configuration is proposed to achieve high resolution and free thermal effects measurement. Based on the coupled-resonator-induced transparency effect, the design and principle of the biosensor are introduced in detail, and the performance of the sensor is deduced by simulations. Compared to the biosensor based on a single-ring configuration, the designed biosensor has a 10-fold increased Q value according to the simulation results, thus the sensor is expected to achieve a particularly high resolution. In addition, the output signal of the mathematical model of the proposed sensor can eliminate the thermal influence by adopting an algorithm. This work is expected to have great application potentials in the areas of high-resolution RI measurement, such as biomedical discoveries, virus screening, and drinking water safety.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Aoqun Jian ; Lu Zou ; Haiquan Tang ; Qianqian Duan ; Jianlong Ji, et al.
"Theoretical analysis of microring resonator-based biosensor with high resolution and free of temperature influence", Opt. Eng. 56(6), 067103 (Jun 02, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.067103


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