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可扩展的自由空间光子天线在造 SOI光子平台
Optics express
|November 22, 2024
概括
我们开发了一种可扩展的,低噪音的设计,用于将自由空间光合到使用光子天线的绝缘体上的芯片中. 这种方法显著改善了无镜头接收器的信号噪声比.
科学领域:
- 光子学是指光子学的使用方法.
- 集成光学 集成光学 集成光学
- 光学工程是指光学工程.
背景情况:
- 在先进的光学系统中,将自由空间光有效地合到集成光子电路中至关重要.
- 现有的方法在可扩展性,噪声性能和集成密度方面经常面临局限性.
- 在绝缘体 (SOI) 平台为电子光子集成电路提供了坚实的基础.
研究的目的:
- 为提供一种新的,灵活的,低噪音的设计,用于将自由空间光学合到SOI电路中.
- 引入光子天线的概念,由网格合器阵列和电源组合网络组成.
- 证明拟议方案的可扩展性和噪声性能优势.
主要方法:
- 使用数组网格合器用于分布式光学收集.
- 采用紧的,逆向设计的功率组合网络来巩固光学信号.
- 在GF45CLO平台上制造实验性网格阵列天线.
- 将光子天线与一个没有镜头的单立体自由空间光子接收器集成.
主要成果:
- 展示了一个灵活和可扩展的设计,用于自由空间到SOI合.
- 无论天线的采集面积大小如何,都实现了固定噪音底部.
- 使用4x4格阵列,显示了信号噪声比 (SNR) 的6.7倍增长.
- 在不同的天线尺寸中保持制造密度合规.
结论:
- 拟议的光子天线设计为自由空间光子接收器的SNR提供了显著的改进.
- 该方案为集成光子学中的光学合提供了一个可扩展和低噪音的解决方案.
- 这种设计可以在SOI平台上为没有镜头的单立体接收器提供增强的性能.
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