[1] Wen Y J, Sun Y, Deng C Y et al. High sensitivity and FOM refractive index sensing based on Fano resonance in all-grating racetrack resonators[J]. Optics Communications, 446, 141-146(2019).
[2] Passaro V M N, Loiacono R, D'Amico G et al. Design of Bragg grating sensors based on submicrometer optical rib waveguides in SOI[J]. IEEE Sensors Journal, 8, 1603-1611(2008).
[3] Biswas U, Rakshit J K. Detection and analysis of hemoglobin concentration in blood with the help of photonic crystal based micro ring resonator structure[J]. Optical and Quantum Electronics, 52, 1-16(2020).
[4] Zhang W F, Li W Z, Yao J P. Optically tunable Fano resonance in a grating-based Fabry-Perot cavity-coupled microring resonator on a silicon chip[J]. Optics Letters, 41, 2474-2477(2016).
[5] Zhu B B, Zhang W F, Pan S L et al. High-sensitivity instantaneous microwave frequency measurement based on a silicon photonic integrated Fano resonator[J]. Journal of Lightwave Technology, 37, 2527-2533(2019).
[6] Zhao C Y, Zhang L, Zhang C M. Compact SOI optimized slot microring coupled phase-shifted Bragg grating resonator for sensing[J]. Optics Communications, 414, 212-216(2018).
[7] Javanshir S, Pourziad A, Nikmehr S. Optical temperature sensor with micro ring resonator and graphene to reach high sensitivity[J]. Optik, 180, 442-446(2019).
[8] Zhang P, Wang Y F, He D Y et al. 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).
[9] Gu L P, Fang L, Fang H L et al. Fano resonance lineshapes in a waveguide-microring structure enabled by an air-hole[J]. APL Photonics, 5, 016108(2020).
[10] Fang L, Gu L P, Zheng J B et al. Controlling resonance lineshapes of a side-coupled waveguide-microring resonator[J]. Journal of Lightwave Technology, 38, 4429-4434(2020).
[11] Liu C J, Sang C L, Wu X S et al. One-dimensional photonic crystal groove microring resonators and its sensing characteristics[J]. Acta Optica Sinica, 40, 2413002(2020).
[12] Liao S S, Bao H, Zhang T T et al. High-slope Fano resonator based on grating-assisted microring structure[J]. Acta Optica Sinica, 41, 2213001(2021).
[13] Gu L P, Fang H L, Li J T et al. A compact structure for realizing Lorentzian, Fano, and electromagnetically induced transparency resonance lineshapes in a microring resonator[J]. Nanophotonics, 8, 841-848(2019).
[14] Shotorban A K N, Abedi K, Jafari K. Design and analysis of an SOI photonic filter based on a microring[C], 87-91(2019).
[15] Yuan G H, Cao S Y, Zhang P N et al. Achieving wide-range photonics applications based on a compact grating-assisted silicon micro-ring resonator[J]. Optik, 183, 887-896(2019).
[16] Sun D X, Zhang D L, Bi F et al. Silicon-based microring resonant cavity applied to integrated optical gyroscope sensitive unit[J]. Laser & Optoelectronics Progress, 59, 1513001(2022).
[17] Chen X Y, Huang K, Zeng Z L et al. A temperature sensor using cascaded microring resonators[J]. IOP Conference Series: Materials Science and Engineering, 490, 072030(2019).
[18] Shoman H, Jayatilleka H, Jaeger N A F et al. Measuring on-chip waveguide losses using a single, two-point coupled microring resonator[J]. Optics Express, 28, 10225-10238(2020).
[19] Song J H, Kongnyuy T D, de Heyn P et al. Enhanced silicon ring resonators using low-loss bends[J]. IEEE Photonics Technology Letters, 33, 313-316(2021).
[20] Peng F C, Wang Z R, Yuan G H et al. High-sensitivity refractive index sensing based on Fano resonances in a photonic crystal cavity-coupled microring resonator[J]. IEEE Photonics Journal, 10, 17680600(2018).
[21] Wu N S, Xia L. High-Q optical filter based on multi-nanohole micro-ring resonator[C], 18355737(2018).
[22] Wu N S, Xia L. High-Q and high-sensitivity multi-hole slot microring resonator and its sensing performance[J]. Physica Scripta, 94, 115512(2019).
[23] Li H H. Refractive index of silicon and germanium and its wavelength and temperature derivatives[J]. Journal of Physical and Chemical Reference Data, 9, 561-658(1980).
[24] Malitson I H. Interspecimen comparison of the refractive index of fused silica[J]. Journal of the Optical Society of America, 55, 1205-1209(1965).
[25] Tian C C, Zhang H, Li W X et al. Temperature sensor of high-sensitivity based on nested ring resonator by Vernier effect[J]. Optik, 204, 164118(2020).
[26] Song J H, Kongnyuy T D, de Heyn P et al. Low-loss waveguide bends by advanced shape for photonic integrated circuits[J]. Journal of Lightwave Technology, 38, 3273-3279(2020).
[27] Shi W, Wang X, Zhang W et al. Grating-coupled silicon microring resonators[J]. Applied Physics Letters, 100, 121118(2012).
