共振光隧穿效应机理及应用研究

发布时间：2018-04-10 23:12

本文选题：光学谐振腔 + 共振光隧穿效应　；参考：《太原理工大学》2017年硕士论文

【摘要】：针对当前光学器件正在朝集成化、小型化发展,共振光隧穿光学谐振腔由于微体积、高集成度、高品质因子(Q)、光场局域性强等优点,在改善微纳光学器件性能上展现出了重要的研究价值,并在光开关、光学折射率计等传感器方向展现出了重要的发展潜力。本文调研了国内外典型光学谐振腔的研究现状,针对共振光隧穿效应,采用理论推导与模拟仿真相结合的方法,详细分析了共振光隧穿效应的传输机理,并将其应用于光学加速度传感器。本文首先研究了基于传输矩阵法(TMM)的多层介质光传播理论,并将其应用于共振光隧穿结构的理论推导和传输特性分析。其中,详细讨论了入射波长、偏振态、隧穿层厚度以及共振腔宽度对ROTE结构传输特性的影响。本文介绍了基于时域有限差分法的光学仿真软件FDTD Solutions,并应用该软件建立了共振光隧穿结构的物理仿真模型。通过仿真分析,详细讨论了不同偏振态和隧穿层厚度对输出透射谱以及共振腔中驻波强度的影响,进一步加深了对共振光隧穿效应机理的理解。本文将共振光隧穿结构应用于传感器的设计,提出了一种具有高Q值的光学加速度计,同时使用COMSOL软件仿真了传感器的性能。结果表明,该传感器的Q值能够达到8.857×107,测量范围为±130g,灵敏度为9pm/g,工作带宽为10-1500Hz,该传感器为改善集成光学加速度传感器的分辨性能和测量范围等提供了新的思路和方法,具有广阔的应用前景。
[Abstract]:In view of the current development of optical devices towards integration and miniaturization, the resonant optical tunneling resonator has the advantages of micro volume, high integration, high quality factor QN, strong optical field localization, etc.It has shown important research value in improving the performance of micro / nano optical devices, and has shown important development potential in the field of optical switches, optical refractive index meters and other sensors.In this paper, the research status of typical optical resonators at home and abroad is investigated, and the transmission mechanism of resonant optical tunneling effect is analyzed in detail by combining theoretical derivation and simulation, aiming at the resonant light tunneling effect.It is applied to the optical acceleration sensor.In this paper, the theory of multilayer dielectric optical propagation based on the transfer matrix method (TMMM) is studied, and it is applied to the theoretical derivation of resonant optical tunneling structure and the analysis of transmission characteristics.The effects of incident wavelength, polarization state, tunneling layer thickness and resonant cavity width on the transmission characteristics of ROTE structures are discussed in detail.In this paper, the optical simulation software FDTD Solutions based on finite-difference time-domain method is introduced, and the physical simulation model of resonant optical tunneling structure is established by using the software.The effects of different polarization states and tunneling layer thickness on the output transmission spectrum and the standing wave intensity in the resonant cavity are discussed in detail through simulation analysis. The mechanism of resonant light tunneling effect is further understood.In this paper, the resonant light tunneling structure is applied to the design of the sensor, and an optical accelerometer with high Q value is proposed, and the performance of the sensor is simulated by using COMSOL software.The results show that the Q value of the sensor can reach 8.857 脳 10 ~ (7), the measuring range is 卤130 g, the sensitivity is 9 pm / g, and the working bandwidth is 10 ~ (-1500) Hz. The sensor provides a new idea and method for improving the resolution and measurement range of the integrated optical acceleration sensor.It has broad application prospect.
【学位授予单位】：太原理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP212

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