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

Author

Listed:
  • Chuangchuang Wei

    (University of Twente)

  • Hanke Feng

    (City University of Hong Kong)

  • Kaixuan Ye

    (University of Twente)

  • Maarten Eijkel

    (University of Twente)

  • Yvan Klaver

    (University of Twente)

  • Zhaoxi Chen

    (City University of Hong Kong)

  • Akshay Keloth

    (University of Twente)

  • Cheng Wang

    (City University of Hong Kong)

  • David Marpaung

    (University of Twente)

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.

Suggested Citation

  • Chuangchuang Wei & Hanke Feng & Kaixuan Ye & Maarten Eijkel & Yvan Klaver & Zhaoxi Chen & Akshay Keloth & Cheng Wang & David Marpaung, 2025. "Programmable multifunctional integrated microwave photonic circuit on thin-film lithium niobate," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57441-1
    DOI: 10.1038/s41467-025-57441-1
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