对于超紧型,宽带和低交叉模式 (de) 复杂器的不对称Y连接点的反向设计
Optics express
|November 29, 2023
概括
不对称的Y交叉点提供超宽带模式 (de) 复杂化. 反向设计优化了波导形状,显著减少了紧的光子设备中的交叉声和损失.
科学领域:
- 集成光学 集成光学 集成光学
- 光子学 是一个光子学.
- 波导设计设计 波导设计
背景情况:
- 由于低波长的依赖性,不对称的Y结对超宽带模式 (去) 复杂化有希望.
- 现有的Y连接处遭受高模式交叉声和插入损失.
- 基于模式合的设备显示出更高的波长依赖.
研究的目的:
- 为了显著减少模式交叉声和插入损失在不对称的Y交叉点.
- 为了实现超紧,宽带和低交叉声的光子模式 (de) 复杂器.
- 为了证明基于连接的反向设计对优化Y连接的有效性.
主要方法:
- 基于连接的反向设计以优化波导形状.
- 光子设备的制造和特征.
- 用光学模拟来评估性能指标.
主要成果:
- 反向设计的不对称的Y接口实现了超紧的尺寸 (4.5 × 1.2 μm2和6 × 1.4 μm2).
- 模拟的带宽为160 nm (TE0和TE1) 和140 nm (TE0和TE2),交叉声量<-20 dB,损耗<0.88 dB.
- 实验结果显示,在广的光谱范围内,交叉声音<-15dB,损失<1.7dB.
结论:
- 基于连接的反向设计对于优化不对称的Y连接处是有效的.
- 开发的Y连接点可以实现高性能,超紧的模式 (de) 复合器.
- 这些设备适用于集成光学中的超宽带应用.
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