一个二级的光学Butterworth Fabry-Pérot过器
Zeyang Li1, Abhishek V Karve1, Xin Wei1
1Department of Applied Physics, Stanford University, Stanford, California 94305, USA.
The Review of scientific instruments
|February 11, 2026
概括
我们开发了一种新的光学波器,使用Fabry-Pérot腔中的合极化模式. 这项技术使更窄带宽的平板过器能够在通信和传感应用中改进信号处理.
科学领域:
- * 光学是指光学上的一个部分.
- * 光子学是一种光子学.
- * * 信号处理 信号处理
背景情况:
- *平板传输带过器对于信号处理至关重要,提高了检测灵敏度和功率效率.
- *光学过器通常使用带宽超过100GHz的介电堆,限制了窄带宽应用.
- *法布里-佩罗洞是单极共振器,适用于高效的单频传输,但构建多极过器在光学领域具有挑战性.
研究的目的:
- * 提出并实施一款二级Butterworth型光学波器,其平面传输带狭窄.
- * 弥合现有的宽带光学过器与更窄带宽解决方案的需求之间的差距.
- * 展示一种在光学领域实现窄带宽平板过器的新方法.
主要方法:
- * 在一个单一的双镜法布里-佩罗腔内实现了二级巴特沃斯型光学过器.
- * 利用两个极化模式的合来实现平面响应.
- * 描述过器的性能,包括通带宽,止带抑制和插入损失.
主要成果:
- * 已经证明了2.68{1}GHz的狭窄平面传输带宽.
- * 实现了43dB的最大停止带抑制.
- * 测量输入传输带输入损失为2.2(1) dB,带外功率抑制作为脱调的第四功率.
结论:
- * 拟议的方法可以创建显著更窄的带宽平板光学过器.
- *这种方法可扩展到更窄的过器,为激光相位噪声和LIDAR灵敏度提供了潜在的改进.
- *开发的过技术为拉曼光谱等应用提供更高质量的窄带过.
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