All-optical control of light on a silicon chip

@article{Almeida2004AllopticalCO,
  title={All-optical control of light on a silicon chip},
  author={Vilson R. Almeida and Carlos Angulo Barrios and Roberto R. Panepucci and Michal Lipson},
  journal={Nature},
  year={2004},
  volume={431},
  pages={1081-1084}
}
Photonic circuits, in which beams of light redirect the flow of other beams of light, are a long-standing goal for developing highly integrated optical communication components. Furthermore, it is highly desirable to use silicon—the dominant material in the microelectronic industry—as the platform for such circuits. Photonic structures that bend, split, couple and filter light have recently been demonstrated in silicon, but the flow of light in these structures is predetermined and cannot be… 
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