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Slow light

Variable speed limit

Most techniques for slowing light are limited in the delay time that can be achieved relative to the temporal pulse width. The use of gap solitons could help overcome this limitation.

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Figure 1: Slowing light with gap solitons.

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Povinelli, M. Variable speed limit. Nature Phys 2, 735–736 (2006). https://doi.org/10.1038/nphys454

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