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利用光学谐振器结构的色散可提高旋转传感的灵敏度,耦合谐振器光波导可实现强色散,本文利用传输矩阵理论,研究耦合谐振器光波导旋转传感的相位灵敏度,讨论谐振器布局和波导参数对相位灵敏度的影响,结果表明波导的相位曲线和相位灵敏度依赖于波导中谐振器的布局,谐振器数量和耦合系数不仅会影响波导旋转传感相位灵敏度曲线峰值的数量和带宽,还会影响相位灵敏度的大小,而损耗会降低波导的相位灵敏度,本文的结果可用于利用谐振器布局和波导参数设计耦合谐振器光波导的相位灵敏度,对其在旋转传感方面的应用有重要意义.
The use of optical resonator structure dispersion can improve the sensitivity of rotation sensing, coupled resonator optical waveguide can achieve strong dispersion. In this paper, the use of transmission matrix theory to study the coupled resonator optical waveguide rotation sensing phase sensitivity to discuss the resonator layout and waveguide The results show that the phase and phase sensitivity of the waveguide depend on the layout of the resonators in the waveguide. The number of resonators and the coupling coefficient will not only affect the number and bandwidth of the peaks of the phase sensitivity curve of the rotating sensor, but also influence The phase sensitivity of the waveguide can be reduced by using the proposed method. The results of this paper can be used to design the phase sensitivity of the coupled resonator optical waveguide using the resonator layout and the waveguide parameters, which is of great significance for the application in the rotation sensing.