[3] LIU Chunjuan, WANG Jiawei, WU Xiaosuo et al. Sensing characteristics of grating-assisted slot microring resonator[J]. Acta Optica Sinica, 42, 1613001(2022).

[4] XU Yameng, FU Chenyang, SUN Shibo. Research progresses of refractive index sensing based on subwavelength grating structures[J]. Semiconductor Optoelectronics, 43, 254-260(2022).

[5] SHI Bingyao, CHEN Xiao, CAI Yuanyauan et al. Compact slot microring resonator for sensitive and label-free optical sensing[J]. Sensors, 22, 64-67(2022).

[6] LIU Heng, MA Tao, YU Zhongxiu et al. Highiy sensitive biosensor based on two-layer dielectric-loaded plasmonic microring[J]. Infrared and Laser Engineering, 46, 140-144(2017).

[7] ZHANG Xingwang, ZHOU Guangya, SHI Peng et al. On-chip integrated optofluidic complex refractive index sensing using silicon photonic crystal nanobeam cavities[J]. Optics Letters, 41, 1197-1200(2016).

[8] XU Yameng, KONG Mei. Research progresses of refractive index sensing based on silicon-on-insulator microring resonators[J]. Semiconductor Optoelectronics, 41, 455-463(2020).

[10] WANG Shuling, LIU Yonghao, ZHAO Deyin et al. Optofluidic Fano resonance photonic crystal refrectometric sensors[J]. Applied Physics Letters, 110, 091105(2017).

[12] ZHAO Chaoying, ZHANG Lei, ZHANG Chengmei. Compact SOI optimized slot microring coupled phase-shifted Bragg grating resonator for sensing[J]. Optics Communications, 414, 212-216(2018).

[13] LIU Chunjuan, SANG Changlin, WU Xiaosuo et al. One-dimensional photonic crystal groove microring resonators and its sensing characteristics[J]. Acta Optica Sinica, 40, 2413002(2020).

[14] ZHAO Jing, WANG Jiaxian, QIU Weibin et al. Investigation of sensing characteristic of graphene metamaterial based on Fano resonance[J]. Laser & Optoelectronics Progress, 58, 0524001(2021).

[15] CHROSTOWSKI L, HOCHBERG M[M]. Silicon photonics design from devices to systems(2015).

[16] HAO Xiangxiang, HUO Yiping, HE Qian et al. Study on the Fano resonance of MIM waveguide with double semi-ring cavities[J]. Journal of Shanxi Normal University, 50, 12-20(2022).

[17] YANG Lei, YU Shilin, LI Hao et al. Multiple Fano resonancesexcitation onall-dielectric nanoholearraysmetasurfaces[J]. Optics Express, 29, 14907-14916(2021).

[18] LI H H. Refractive index of siliconand germanium and itswavelengthandtemperature derivatives[J]. Journal of Physicaland Chemical ReferenceData, 9, 561-658(1980).

[19] MALITSON I H. Interspecimen comparison of the refractiveindex of fused silica[J]. Journal of theOptical Society of America, 55, 1205-1209(1965).

[20] ZHANG Weifeng, LI Wangzhe, YAO Jianping. Optically tunable Fano resonance in a grating-based Fabry-Perot cavity-coupled microring resonator on a silicon chip[J]. Optics Letters, 41, 240-245(2016).

[22] ZHANG Ping, WANG Yufei, HE Dongyua. Numerical analysis of simultaneous measurement of the refractive index and the pressure utilizing the mode splitting in a single-opening microring resonator[J]. Optics Communications, 434, 167-174(2019).

[23] ZHANG Zecen, NG G I, HU Ting et al. Electromagnetically induced transparency-like effect inmicroring-Bragg gratings based couplingresonant system[J]. Optics Express, 24, 25665-25674(2016).

[24] PENG Fangcao, WANG Zhuoran, YUAN Guohui et al. High sensitivity index sensing based on Fano resonances in a photonics crystal cavity-coupled microring resonator[J]. IEEE Photonics Journal, 10, 17680600(2018).