波导热光模式开关与双模 S 曲
Zhentao Yao1, Manzhuo Wang1, Yue Zhang1
1State Key Laboratory of Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, No. 2699 Qianjin Street, Changchun 130012, China.
Nanomaterials (Basel, Switzerland)
|December 27, 2024
概括
这项研究展示了一种新型的波导热光模式开关,使用多模式S曲线进行高效的芯片上模式路由. 该设备在E11和E21模式中实现了高灭率和低交叉声,证明了其实际潜力.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 集成光学 集成光学 集成光学
- 波导装置 波导装置 波导装置
背景情况:
- 在芯片上的光学模式操纵对于先进的光子集成电路至关重要.
- 热光学开关提供了一种可行的机制来控制波导中的光传播.
- 开发紧而高效的模式开关对于小型化光子设备至关重要.
研究的目的:
- 为了演示一个使用小半径双模 S 曲线的波导体热光模式开关.
- 使用级联多模干扰合器实现E11和E21模式的选择性输出.
- 通过详细的表征来评估设计模式开关的性能.
主要方法:
- 使用光束传播方法进行设计优化.
- 使用标准CMOS工艺进行制造:紫外线光刻法,化学蒸汽沉积和等离子蚀刻.
- 热光模式开关性能的表征,包括灭绝比和交叉通话.
主要成果:
- 在波长范围为1530-1575 nm的范围内,实现了高的灭绝比率 (E11≥13.1dB,E21≥15.5dB) 和低的交叉声 (E11≤-22.8dB,E21≤-18.1dB).
- 在低电动驱动功率 (分别为284.8mW和282.4mW) 时,对于E11和E21两种模式都证明了高效的模式选择性输出.
- 通过准备好的开关的详细表征来确认精确的制造.
结论:
- 该研究验证了采用多模S曲用于有效的热光模式切换的可行性.
- 展示的波导模式开关表现出有利的性能特征.
- 该设备显示了未来在光子集成电路中的芯片上模式路由应用的巨大潜力.
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