论文标题
带迷宫几何形状的圆形布拉格光栅的光学特性可实现电触点
Optical properties of circular Bragg gratings with labyrinth geometry to enable electrical contacts
论文作者
论文摘要
我们介绍了迷宫几何形状中电气接触的圆形bragg光腔的各种设备设计的光学研究。为了在中央磁盘和周围膜之间建立电气连接，并通过空气间隙分开，我们引入了相邻环之间的连接。我们建议旋转这些连接，创建迷宫般的结构，以禁用波浪并保持模式限制。为了调查连接的不同排列和大小如何影响光学特性并找到最佳设计，六个不同的布局具有3倍或4倍对称性，并且通过实验和数值模拟研究了一个具有2倍对称性的对称性。反射率测量和模拟表明，与以直线排列的连接相比，旋转连接可以改善模式限制，远场图案和purcell因子。我们比较了不同连接宽度的不同布局之间的结果，并执行极化解决的测量结果，以研究连接是否会在光子限制中造成不对称的测量，从而阻碍设备的性能。
We present an optical study of various device designs for electrically contactable circular Bragg grating cavities in labyrinth geometries. To create an electrical connection between the central disk and the surrounding membrane, which are separated through air gaps, we introduce connections between the adjacent rings. We propose to rotate these connections, creating a labyrinth like structure, to disable waveguiding and keep the mode confinement. To investigate how different arrangement and size of the connections affect the optical properties and to find the optimal design, six different layouts with either 3-fold or 4-fold symmetry and one with 2-fold symmetry are investigated experimentally and by numerical simulations. Reflectivity measurements and simulations show that rotating the connections improves the mode confinement, far-field pattern and Purcell factor compared to layouts with connections arranged in straight lines. We compare results between different layouts for different connection widths and perform polarization resolved measurements to investigate whether the connections create asymmetries in the photonic confinement that would impede the performance of the device.
