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Light and motion

Cavities learn to adapt

When tiny optical cavities are coupled together on the nanoscale, optical forces can dominate. A new proposal from researchers at the Massachusetts Institute of Technology provides a way of harnessing these forces, leading to microcavities that can mechanically adapt their geometry.

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Figure 1: When two identical resonators are brought into close proximity, their fundamental optical modes interact.


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Dinu, M. Cavities learn to adapt. Nature Photon 1, 616–618 (2007).

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