一个低损耗化网格合器的紧整合设计,基于连续性中的apodized准束状态
Optics express
|November 11, 2025
概括
我们开发了一种新的化网格合器,可以在连续 (quasi-BIC) 网格中集成apodized和准-bound状态. 这种设计实现了量子光子电路中光学互连的高合效率和定向性.
科学领域:
- 光子学是指光子学的使用方法.
- 集成光学 集成光学 集成光学
- 纳米光子学 纳米光子学
背景情况:
- 网格合器对于光子集成电路和光纤之间的光学互连至关重要.
- 合效率受到空间重叠和现有的合方法的限制.
- 目前的设计面临着方向增强和峰值效率方面的挑战.
研究的目的:
- 提出一种新的,紧的,低损耗的化格合器.
- 为了提高光学互连的合效率和方向性.
- 为了使混合量子光子集成电路能够高效地集成.
主要方法:
- 综合设计,在连续 (准-BIC) 网格中结合了apodized网格和准-bound状态.
- 包括底部分布的布拉格反射器 (Bottom-DBR) 和侧面分布的布拉格反射器 (Side-DBR).
- 用于性能分析的有限差异时间域 (FDTD) 模拟.
主要成果:
- 实现了0.33dB的高合效率.
- 获得了25nm的3dB带宽.
- 设备足迹小于10微米,表明其紧性.
结论:
- 拟议的格联接器设计与现有方法相比,提供了更高的性能.
- 综合设计提高了合效率,方向性和模式匹配.
- 该设备适用于使用单光子光源的混合量子光子集成电路.
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