同調耦合彎折抗諧振反射光波導

Abstract

本論文研究同調耦合彎折抗諧振反射光波導(ARROW)元件。利用多層膜理論和有效折射係數法來分析及設計脊狀抗諧振反射光波導結構以及使用波束傳輸法(BPM)來模擬彎折抗諧振反射光波導元件傳輸特性。藉由調整脊狀波導寬度和厚度，可以提出具有可調性的彎折抗諧振反射光波導元件。當彎折角度分別為27.2°、36.8°、91.2°，提出的理想波導寬度分別為5.0mm、4.0mm、4.0mm；對應的元件傳輸效率和元件面積分別為0.828(0.82dB)、0.746(1.27dB)、0.610(2.15dB)和1.32mm2、1.24mm2、9.54mm2。

In this research, we investigate the ARROW-based coherently coupled bending waveguides. The transfer matrix method and effective index method are used to analyze the rib-ARROW structures. The beam propagation method is used to simulate the propagation performance of the ARROW-based bending waveguides. Due to the adjustable characteristics of waveguide width and rib depth, we propose flexible bending devices based on rib-ARROW’s structures. When the total bending angles are designed as 27.2°, 36.8° and 91.2°, respectively, the corresponding waveguide widths are 5.0 mm, 4.0 mm and 4.0 mm, respectively. Furthermore, the corresponding device transmissions and device areas are 0.828 (0.82 dB), 0.746 (1.27 dB), 0.610 (2.15 dB) and 1.32 mm2, 1.24 mm2, 9.54 mm2, respectively.