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A 5 × 200 Gbps microring modulator silicon chip empowered by two-segment Z-shape junctions

Author

Listed:
  • Yuan Yuan

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Yiwei Peng

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Wayne V. Sorin

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Stanley Cheung

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Zhihong Huang

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Di Liang

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Marco Fiorentino

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

  • Raymond G. Beausoleil

    (Hewlett Packard Labs, Hewlett Packard Enterprise)

Abstract

Optical interconnects have been recognized as the most promising solution to accelerate data transmission in the artificial intelligence era. Benefiting from their cost-effectiveness, compact dimensions, and wavelength multiplexing capability, silicon microring resonator modulators emerge as a compelling and scalable means for optical modulation. However, the inherent trade-off between bandwidth and modulation efficiency hinders the device performance. Here we demonstrate a dense wavelength division multiplexing microring modulator array on a silicon chip with a full data rate of 1 Tb/s. By harnessing the two individual p-n junctions with an optimized Z-shape doping profile, the inherent trade-off of silicon depletion-mode modulators is greatly mitigated, allowing for higher-speed modulation with energy consumption of sub-ten fJ/bit. This state-of-the-art demonstration shows that all-silicon modulators can practically enable future 200 Gb/s/lane optical interconnects.

Suggested Citation

  • Yuan Yuan & Yiwei Peng & Wayne V. Sorin & Stanley Cheung & Zhihong Huang & Di Liang & Marco Fiorentino & Raymond G. Beausoleil, 2024. "A 5 × 200 Gbps microring modulator silicon chip empowered by two-segment Z-shape junctions," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45301-3
    DOI: 10.1038/s41467-024-45301-3
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    References listed on IDEAS

    as
    1. Qianfan Xu & Bradley Schmidt & Sameer Pradhan & Michal Lipson, 2005. "Micrometre-scale silicon electro-optic modulator," Nature, Nature, vol. 435(7040), pages 325-327, May.
    2. Erman Timurdogan & Cheryl M. Sorace-Agaskar & Jie Sun & Ehsan Shah Hosseini & Aleksandr Biberman & Michael R. Watts, 2014. "An ultralow power athermal silicon modulator," Nature Communications, Nature, vol. 5(1), pages 1-11, September.
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