Ultraweak long-range interactions of solitons observed over astronomical distances

@article{Jang2013UltraweakLI,
  title={Ultraweak long-range interactions of solitons observed over astronomical distances},
  author={Jae K Jang and Miro Erkintalo and Stuart G. Murdoch and St{\'e}phane Coen},
  journal={Nature Photonics},
  year={2013},
  volume={7},
  pages={657-663}
}
Recirculating temporal optical cavity solitons in a coherently driven passive optical fibre ring resonator allows pairs of solitons to interact over distances 8,000 times their width. This finding highlights the extreme stability, robustness and coherence of the process, and of solitons in general. 

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