研究目的
Investigating the design and performance of an electro-optically tunable racetrack dual microring resonator with a high quality factor based on a lithium niobate-on-insulator.
研究成果
The designed racetrack dual microring resonator based on lithium niobate-on-insulator achieves a high Q value of approximately 3.873 × 106 for the inner ring and an electro-optic tuning rate of 0.0526 nm/V. This demonstrates the resonator's potential for applications in lithium niobate nanophotonic devices.
研究不足
The study focuses on theoretical analysis and numerical evaluation, with potential limitations in practical fabrication and application due to the complexity of the design and the materials used.
1：Experimental Design and Method Selection:
The study uses the transfer matrix method to analyze the field transmission and attenuation of the resonator.
2：Sample Selection and Data Sources:
The resonator is designed based on a lithium niobate-on-insulator wafer.
3：List of Experimental Equipment and Materials:
A ridge waveguide structure with specific dimensions is chosen for the resonator design.
4：Experimental Procedures and Operational Workflow:
The performance of the resonator is numerically evaluated, including the effects of coupling, transmission, and field attenuation factors on the transmission spectrum.
5：Data Analysis Methods:
The relationship between the resonant wavelength shift and the applied voltage is analyzed to determine the electro-optic tuning rate.
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