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Nature Photonics 1, 140–141 (1 March 2007) | doi:10.1038/nphoton.2007.12

Slow light: Putting the brakes on images

Alexander L. Gaeta

Over the past decade, researchers have developed numerous techniques to control and reduce the group velocity of light. Such control has led to compelling demonstrations of slow light in a wide variety of settings, including Bose–Einstein condensates and silicon nanowaveguides, and to scenarios in which light pulses are stopped and stored or in which the group velocity is even made negative.