概括
这项研究介绍了B-spline曲线,用于优化在绝缘体 (LNOI) 光子电路上的尼奥酸盐中的多模波导曲线. 这种新的方法显著减少了插入损失和模式交声,提高了集成光子学性能.
科学领域:
- 综合光子学 综合光子学
- 材料科学 材料科学 材料科学
- 波导光学 波导光学 波导光学
背景情况:
- 绝缘体上的酸 (LNOI) 是集成光子学的一个关键材料.
- 传统的LNOI波导曲线遭受高损失和模式不匹配.
- 开发高效的多模波导对于先进的光子电路至关重要.
研究的目的:
- 引入和评估B-spline曲线,以优化LNOI中的多模波导曲线.
- 为了应对LNOI波导设计中的插入损失 (IL) 和模式交声 (CT) 的挑战.
- 为了实现LNOI光子集成电路的高性能多模波导.
主要方法:
- 使用B-spline曲线来灵活和精确地控制波导曲线的曲率.
- 同时优化插入损失和模式交声.
- 在LNOI上对90°B-spline的波导曲的实验验证.
主要成果:
- 实现了超低的插入损失:0.05 dB (TE0),0.10 dB (TE1) 和0.29 dB (TE2).
- 在所有级联曲的模式中,证明模式交叉声低于-16.71 dB.
- B-spline曲线提供了卓越的设计灵活性和平稳的过渡.
结论:
- 基于B-spline的设计为LNOI中的高性能多模波导提供了一个有希望的解决方案.
- 这种方法有效地减轻了LNOI光子集成电路的关键挑战.
- 这些发现为基于LNOI的先进光子设备铺平了道路.
相关概念视频
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