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

arXiv - PHYS - Optics Pub Date : 2024-09-16 DOI:arxiv-2409.10227

Chuangchuang WeiNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands, Hanke FengDepartment of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong, China, Kaixuan YeNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands, Maarten EijkelNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands, Yvan KlaverNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands, Zhaoxi ChenDepartment of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong, China, Akshay KelothNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands, Cheng WangDepartment of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong, China, David MarpaungNonlinear Nanophotonics Group, MESA+ Institute of Nanotechnology, University of Twente, Enschede, Netherlands

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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 for the first time 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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铌酸锂薄膜上的可编程多功能集成微波光子电路

微波光子技术具有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。实现高度集成、高性能和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，我们利用铌酸锂薄膜强度调制器和可编程级联微波谐振器，首次展示了一种可调谐微波光子陷波滤波器，它同时实现了高集成度、高动态范围、高链接增益、低噪声系数和超高抑制比。此外，这种可编程片上系统还具有多功能性，既可用于双带缺口滤波器，也可用于抑制大功率干扰信号。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走向实际应用。

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arXiv - PHYS - Optics

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