互补和不对称的逐渐曲的中红外波导阵列用于亚波长距离集成和交叉通道最小化
1Department of Physics, Khalifa University, 127788, Abu Dhabi, United Arab Emirates.
Scientific reports
|November 25, 2025
概括
这项研究引入了一种使用不对称欧勒曲线的新型中红外波导阵列. 这种设计最大限度地减少了交叉通话,从而提高了光学相位阵列 (OPA) 的性能和制造灵活性.
科学领域:
- 综合光子学 综合光子学
- 中红外光学 (MIR) 光学
- 波导阵列设计 波导阵列设计
背景情况:
- 尽量减少交叉通话对于高效的光学相位阵列 (OPA) 来说至关重要.
- 以前使用恒定波导宽度的设计在制造灵活性和减少交叉通道方面面临限制.
- 亚波长-波段集成需要先进的波导设计.
研究的目的:
- 报道了一种新的中红外导波阵列设计.
- 为了实现低波长度集成,减少交叉通话.
- 为了提高光学相位阵列 (OPA) 的性能.
主要方法:
- 互补和不对称的圆欧勒形波导曲线的设计.
- 在在绝缘体 (SOI) 平台上制造.
- 使用3D有限差异时间域 (FDTD) 方法进行模拟.
主要成果:
- 在3.1-3.6μm波长范围内的邻近波导实现了低于30dB的交叉声.
- 经过证明的制造灵活性和对变化的耐受性.
- 展示了可以忽略不计的合和低插入损失.
结论:
- 提出的欧勒波导曲线设计为MIR集成光子电路提供了强大的解决方案.
- 这种设计提高了OPA效率和光传播.
- 它是一个CMOS兼容的解决方案,用于先进的光子应用.
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