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Lithium niobate photonic-crystal electro-optic modulator

Author

Listed:
  • Mingxiao Li

    (University of Rochester)

  • Jingwei Ling

    (University of Rochester)

  • Yang He

    (University of Rochester)

  • Usman A. Javid

    (University of Rochester)

  • Shixin Xue

    (University of Rochester)

  • Qiang Lin

    (University of Rochester
    University of Rochester)

Abstract

Modern advanced photonic integrated circuits require dense integration of high-speed electro-optic functional elements on a compact chip that consumes only moderate power. Energy efficiency, operation speed, and device dimension are thus crucial metrics underlying almost all current developments of photonic signal processing units. Recently, thin-film lithium niobate (LN) emerges as a promising platform for photonic integrated circuits. Here, we make an important step towards miniaturizing functional components on this platform, reporting high-speed LN electro-optic modulators, based upon photonic crystal nanobeam resonators. The devices exhibit a significant tuning efficiency up to 1.98 GHz V−1, a broad modulation bandwidth of 17.5 GHz, while with a tiny electro-optic modal volume of only 0.58 μm3. The modulators enable efficient electro-optic driving of high-Q photonic cavity modes in both adiabatic and non-adiabatic regimes, and allow us to achieve electro-optic switching at 11 Gb s−1 with a bit-switching energy as low as 22 fJ. The demonstration of energy efficient and high-speed electro-optic modulation at the wavelength scale paves a crucial foundation for realizing large-scale LN photonic integrated circuits that are of immense importance for broad applications in data communication, microwave photonics, and quantum photonics.

Suggested Citation

  • Mingxiao Li & Jingwei Ling & Yang He & Usman A. Javid & Shixin Xue & Qiang Lin, 2020. "Lithium niobate photonic-crystal electro-optic modulator," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17950-7
    DOI: 10.1038/s41467-020-17950-7
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    Cited by:

    1. Ji-Qian Wang & Zi-Dong Zhang & Si-Yuan Yu & Hao Ge & Kang-Fu Liu & Tao Wu & Xiao-Chen Sun & Le Liu & Hua-Yang Chen & Cheng He & Ming-Hui Lu & Yan-Feng Chen, 2022. "Extended topological valley-locked surface acoustic waves," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Timothy P. McKenna & Hubert S. Stokowski & Vahid Ansari & Jatadhari Mishra & Marc Jankowski & Christopher J. Sarabalis & Jason F. Herrmann & Carsten Langrock & Martin M. Fejer & Amir H. Safavi-Naeini, 2022. "Ultra-low-power second-order nonlinear optics on a chip," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Othman Alshamrani & Adel Alshibani & Awsan Mohammed, 2022. "Operational Energy and Carbon Cost Assessment Model for Family Houses in Saudi Arabia," Sustainability, MDPI, vol. 14(3), pages 1-18, January.
    4. Liangting Ye & Wenju Zhou & Dajian Huang & Xiao Jiang & Qiangbing Guo & Xinyu Cao & Shaohua Yan & Xinyu Wang & Donghan Jia & Dequan Jiang & Yonggang Wang & Xiaoqiang Wu & Xiao Zhang & Yang Li & Hechan, 2023. "Manipulation of nonlinear optical responses in layered ferroelectric niobium oxide dihalides," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    5. Seong Won Lee & Jong Seok Lee & Woo Hun Choi & Daegwang Choi & Su-Hyun Gong, 2024. "Ultra-compact exciton polariton modulator based on van der Waals semiconductors," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    6. Likai Yang & Sihao Wang & Mohan Shen & Jiacheng Xie & Hong X. Tang, 2023. "Controlling single rare earth ion emission in an electro-optical nanocavity," Nature Communications, Nature, vol. 14(1), pages 1-6, December.

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