Programmable multifunctional integrated microwave photonic circuit on thin-film lithium niobate

IF 14.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Nature Communications Pub Date : 2025-03-07 DOI:10.1038/s41467-025-57441-1

Chuangchuang Wei, Hanke Feng, Kaixuan Ye, Maarten Eijkel, Yvan Klaver, Zhaoxi Chen, Akshay Keloth, Cheng Wang, David Marpaung

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Abstract

Microwave photonics, with its advanced high-frequency signal processing capabilities, is expected to play a crucial role in next-generation wireless communications and radar systems. The realization of highly integrated, high-performance, and multifunctional microwave photonic links will pave the way for its widespread deployment in practical applications, which is a significant challenge. Here, leveraging thin-film lithium niobate intensity modulator and programmable cascaded microring resonators, we demonstrate a tunable microwave photonic notch filter that simultaneously achieves high level of integration along with high dynamic range, high link gain, low noise figure, and ultra-high rejection ratio. Additionally, this programmable on-chip system is multifunctional, allowing for the dual-band notch filter and the suppression of the high-power interference signal. This work demonstrates the potential applications of the thin-film lithium niobate platform in the field of high-performance integrated microwave photonic filtering and signal processing, facilitating the advancement of microwave photonic system towards practical applications.

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铌酸锂薄膜可编程多功能集成微波光子电路

微波光子学以其先进的高频信号处理能力，有望在下一代无线通信和雷达系统中发挥关键作用。实现高集成度、高性能、多功能的微波光子链路将为其在实际应用中的广泛部署铺平道路，这是一项重大挑战。在这里，利用薄膜铌酸锂强度调制器和可编程级联微环谐振器，我们展示了一个可调谐的微波光子陷波滤波器，同时实现了高水平的集成，以及高动态范围，高链路增益，低噪声系数和超高抑制比。此外，这个可编程的片上系统是多功能的，允许双带陷波滤波器和高功率干扰信号的抑制。这项工作展示了薄膜铌酸锂平台在高性能集成微波光子滤波和信号处理领域的潜在应用，促进了微波光子系统向实用化的推进。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.