研究目的
Investigating the optimized parameters of bent part coupling silicon oxynitride (SiON) micro racetrack optical resonators coupled to a straight waveguide, for an efficient design of label free biosensor devices.
研究成果
The study demonstrates that considering the dispersion effect in calculations for bent part coupling racetrack resonator based biosensors can significantly improve their performance, achieving high sensitivity and total quality factors simultaneously. The proposed biosensor structure shows improved performance compared to recently reported biosensors, based on ILOD calculations.
研究不足
The study is theoretical and does not include experimental validation. The optimization and performance analysis are based on simulations and calculations, which may differ from real-world applications.
1：Experimental Design and Method Selection:
The study involves a systematic engineering of waveguide-resonator characteristics for optimum geometry and field-overlap with analytes, considering the dispersion effect in calculations for the first time in bent part coupling racetrack resonator based biosensors.
2：Sample Selection and Data Sources:
The study examines different parameters of the system such as coupling, intrinsic and total quality factors, sensitivity, and figure of merit, with a focus on the dispersion effect.
3：List of Experimental Equipment and Materials:
The proposed biosensor devices are optimized for operation at a wavelength of 850 nm, using silicon oxynitride (SiON) micro racetrack optical resonators coupled to a straight waveguide.
4：Experimental Procedures and Operational Workflow:
The study involves calculating the sensitivity and total quality factors, comparing the biosensing performance with lately reported theoretical and experimental investigations.
5：Data Analysis Methods:
The analysis includes examining the effect of dispersion on the optimized parameters of the biosensors and comparing the performance based on ILOD calculations.
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