通用硅基微波光子频谱整形器
Universal Silicon Microwave Photonic Spectral Shaper
AI总结：
本文提出在全集成硅光子电路中实现通用射频光子频谱合成与电可调模拟调制变换，并通过与可重构环形谐振器单片集成展示了前所未有的射频滤波实验。
摘要：
光调制在微波光子（MWP）系统中可以说发挥着最为重要的作用。调制光频谱的精确合成实际上决定了MWP系统质量的几乎所有方面，包括损耗、噪声系数、线性度以及可执行的功能类型。但对于这样一项关键功能而言，生成和变换模拟光调制的灵活性严重缺乏，阻碍了通往真正独特的MWP功能的道路，包括超线性链路和低损耗高抑制滤波器。在此，我们在全集成硅光子电路中展示了多功能的射频光子频谱合成，实现了电可调谐的通用模拟调制变换。我们通过将频谱合成电路与可重构环形谐振器网络进行单片集成，展示了一系列前所未有的射频滤波实验。
英文摘要：
Optical modulation plays arguably the utmost important role in microwave photonic (MWP) systems. Precise synthesis of modulated optical spectra dictates virtually all aspects of MWP system quality including loss, noise figure, linearity, and the types of functionality that can be executed. But for such a critical function, the versatility to generate and transform analog optical modulation is severely lacking, blocking the pathways to truly unique MWP functions including ultra-linear links and low-loss high rejection filters. Here we demonstrate versatile RF photonic spectrum synthesis in an all-integrated silicon photonic circuit, enabling electrically-tailorable universal analog modulation transformation. We show a series of unprecedented RF filtering experiments through monolithic integration of the spectrum-synthesis circuit with a network of reconfigurable ring resonators.
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