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Thermal-Aware Design Method for Laser Group Control in Nanophotonic Interconnects

Yuqi Wang, Amira Aouina, Hui Li, I. O’Connor, G. Nicolescu, S. Le Beux

IEEE Transactions on Very Large Scale Integration (VLSI) Systems · 2019 · DOI: 10.1109/TVLSI.2018.2888589

Silicon photonic interconnects

IEEE Transactions on Very Large Scale Integration (VLSI) Systems 2019 Yuqi Wang, Amira Aouina, Hui Li, I. O’Connor, G. Nicolescu, S. Le Beux

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Abstract

On-chip integrated lasers are key devices to deliver the high bandwidth expected from nanophotonic interconnects. However, lasers are highly sensitive to temperature variation, which influences the lasing efficiency and the wavelengths of emitted optical signals, both of which are key factors in interconnect power efficiency. It is, thus, necessary to develop techniques for efficient thermal-aware control of lasers. In this brief, we propose the grouping of lasers for efficient power control of their temperature. Laser grouping is carried out taking into account the layout symmetries, and a design method allows the definition of control laws.

Citation

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@article{yuqi2019c99941d2c2ee89a1e645d97f4a8af1815e902fb6,
  title  = {Thermal-Aware Design Method for Laser Group Control in Nanophotonic Interconnects},
  author = {Yuqi Wang and Amira Aouina and Hui Li and I. O’Connor and G. Nicolescu and S. Le Beux},
  journal = {IEEE Transactions on Very Large Scale Integration (VLSI) Systems},
  year   = {2019},
  doi    = {10.1109/TVLSI.2018.2888589}
}

Acknowledgements

This work was supported in part by the Natural Sciences and Engineering Research Council of Canada (NSERC) Discovery Grants programme and by the Fonds de recherche du Québec — Nature et technologies (FRQNT).