研究目的
Investigating the utilization of bending loss to maintain the compactness and optimize the property of an SOI waveguide sensor under restricted fabricating condition.
研究成果
The paper demonstrates a device made of SOI waveguides with a compact structure for fabrication and high-density integration, achieving high sensitivity of 1.88×105 dB/RIU. The device's simplicity and high sensitivity make it suitable for biochemical sensing in complex environments.
研究不足
The study acknowledges the difficulty in matching the theoretical model with the actual device due to the neglect of certain factors, necessitating proper simulations and experiments for design.
1：Experimental Design and Method Selection:
The study employs a silicon-on-insulator (SOI) microring resonator (MRR) with a feedback loop for frequency selection and performance enhancement. The transfer matrix method (TMM) is used for calculating the optical field distribution.
2：Sample Selection and Data Sources:
The device is constructed on an insulator substrate with the liquid being tested as the surrounding.
3：List of Experimental Equipment and Materials:
SOI waveguide biosensor with specific geometrical parameters.
4：Experimental Procedures and Operational Workflow:
The device's performance is analyzed through transmission spectra with shifted parameters within one period, focusing on loss coefficients and coupling coefficients.
5：Data Analysis Methods:
The transmission spectrum is analyzed to determine the device's sensitivity and performance.
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