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可重新配置的二级光学全通波器
Yu Chen1, Lu Xu1, WeiJun Jiang1
1Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China.
Nanophotonics (Berlin, Germany)
|December 5, 2024
概括
我们使用微波振器开发了一种新的二级光学全通波器 (APF). 该设备可实现可调节的时间延迟和相位移,克服现有的光信号操纵第一阶段APF的局限性.
科学领域:
- 光子学 是一个光子学.
- 光学工程是指光学工程.
- 集成光学 集成光学 集成光学
背景情况:
- 光学全通波器 (APF) 对于没有振幅扭曲的相位操纵至关重要.
- 高级APF提供更大的时间延迟和相位移,但仅限于级联的第一级设计,增加复杂性.
- 现有的第一阶级APF通常基于有损的波导.
研究的目的:
- 提出和演示一种新的二级光学全通波器 (APF).
- 为了克服与级联第一阶级APF相关的复杂性和尺寸的局限性.
- 为了实现显著的可调节时间延迟和光学信号处理的相位转移.
主要方法:
- 使用在绝缘体平台制造二级APF.
- 集成的马赫-泽恩德干扰仪辅助微波振器.
- 在二级和一级APF功能之间重新配置的演示.
主要成果:
- 通过使用二级APF,实现可调节的时间延迟从553到948ps,幅度变化<1.7dB.
- 演示了一种微波光子相位变换器,可从0到3.27π调节相位变化,RF功率变化<2.4dB.
- 将设备重新配置为一级APF,提供可调节的时间延迟从257到429ps,幅度变化小于0.9dB.
结论:
- 拟议的二阶APF为高阶光学过提供了灵活而紧的解决方案.
- 这项技术为操作光学信号提供了一种新的方法,具有增强的性能.
- 该设备的可重新配置性质提高了它在各种光子应用中的实用性.
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