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

Aoqun Jian; Lu Zou; Haiquan Tang; Qianqian Duan; Jianlong Ji; Qianwu Zhang; Xuming Zhang; Shengbo Sang

doi:10.1117/1.OE.56.6.067103

2 June 2017 Theoretical analysis of microring resonator-based biosensor with high resolution and free of temperature influence

Aoqun Jian, Lu Zou, Haiquan Tang, Qianqian Duan, Jianlong Ji, Qianwu Zhang, Xuming Zhang, Shengbo Sang

Author Affiliations +

Funded by: Natural Science Foundation of China, National Natural Science Foundation, Basic Research Program of Shanxi for Youths, Shanxi Provincial Foundation for Returned Scholars, 863 Project, Excellent Talents Technology Innovation Program of Shanxi Province, Hundreds of Talents of Shanxi Province

Optical Engineering, Vol. 56, Issue 6, 067103 (June 2017). https://doi.org/10.1117/1.OE.56.6.067103

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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Aoqun Jian, Lu Zou, Haiquan Tang, Qianqian Duan, Jianlong Ji, Qianwu Zhang, Xuming Zhang, and Shengbo Sang "Theoretical analysis of microring resonator-based biosensor with high resolution and free of temperature influence," Optical Engineering 56(6), 067103 (2 June 2017). https://doi.org/10.1117/1.OE.56.6.067103

Received: 6 March 2017; Accepted: 11 May 2017; Published: 2 June 2017

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