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Nonlinear optics

Graphene–silicon fusion

A single sheet of graphene dramatically changes the nonlinear response of a silicon photonic crystal, enabling ultralow-power optical bistability, self-induced regenerative oscillation and coherent four-wave mixing.

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Figure 1: Double-well model of excitation-dependent nonlinear optical phenomena in a graphene–silicon hybrid system.


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Correspondence to Kinam Kim.

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Kim, K., Cho, SH. & Lee, CW. Graphene–silicon fusion. Nature Photon 6, 502–503 (2012).

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