研究目的
To demonstrate low-loss, high-frequency, and large-coupling-coefficient SAW resonators using SiN/LN/Si structures by reducing propagation loss and eliminating leaky components.
研究成果
The SiN/LN/Si SAW resonators achieve high frequency, large coupling coefficient, and low loss, making them suitable for advanced front-end applications.
研究不足
Specific limitations are not detailed in the provided text, but may include constraints in fabrication precision, material quality, or frequency range.
1:Experimental Design and Method Selection:
The study involves bonding a high-velocity Si substrate to a sub-wavelength-thick LN layer to create SAW resonators, focusing on optimizing cut angles for high coupling coefficients and low loss.
2:Sample Selection and Data Sources:
Samples include SiN/LN/Si structures with varying thicknesses and cut angles.
3:List of Experimental Equipment and Materials:
Not specified in the provided text.
4:Experimental Procedures and Operational Workflow:
Fabrication of SAW resonators, measurement of frequency response, coupling coefficient, and loss characteristics.
5:Data Analysis Methods:
Analysis of phase velocity, coupling coefficient, and insertion loss using standard SAW resonator characterization techniques.
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