-纳米线类型的极化多元化CWDM解复合器用于低极化的交叉声通
Seok-Hwan Jeong1, Heuk Park2, Joon Ki Lee2
1Department of Electronic Materials Engineering, The University of Suwon, Hwaseong 18323, Republic of Korea.
Nanomaterials (Basel, Switzerland)
|August 26, 2023
概括
新型 (Si) - 纳米线光学解复合器被开发用于粗波长分割复合 (CWDM). 这些设备表现出低损耗和有效的极化交叉声压制,提高光通信性能.
科学领域:
- 光子学是指光子学的使用方法.
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
背景情况:
- 粗波长分割多重复合 (CWDM) 系统需要高效的光学解复合器.
- 偏振取决于损失和交叉通话是光通信中的重大挑战.
- (Si) 光子学为集成光学设备提供了一个可扩展的平台.
研究的目的:
- 为CWDM进行数值分析和实验验证基于Si-纳米线的新型极化多样化光学去多重复合器.
- 为了研究混合极化分离器旋转器 (PSR) 和马赫-泽恩德干扰度解复器的性能.
- 设计和验证一个TM模式拒绝过器,以改善极化交叉通话的缓解.
主要方法:
- 数值分析和实验制造Si-纳米线光学解复器.
- 使用商业上可用的Si光子造工艺.
- 混合模式转换型PSR与延迟的马赫-泽恩德干扰度解复器的集成.
- TM模式排斥过器的设计和测试.
主要成果:
- 纳米线设备对不同的输入偏振表现出几乎相同的光谱反应.
- 实现了低插入损失 (1.0 dB) 和偏振依赖损失 (1.0 dB).
- 频谱交叉声压制低于-15dB.
- TM模式拒绝过器在CWDM频谱中将偏振交叉声拒绝改进到-25dB至-50dB.
结论:
- 开发的Si-nanowire光学解复合器对于CWDM应用非常有效.
- 混合PSR和马赫-泽恩德设计提供了强大的性能,独立于输入偏振.
- 整合一个TM模式拒绝波器显著增强极化交叉声压制.
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