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Nature Photonics 3, 193–194 (1 April 2009) | doi:10.1038/nphoton.2009.37

Silicon photonics: Slot machine

Tom Baehr-Jones & Michael Hochberg

All-optical computation has been a goal of the optics community for many years. Today, nearly all data processing occurs in the electronic domain; this is because it is comparatively cheap and easy to create highly nonlinear electronic circuits based on transistors.