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Quantum optics

Boosting photon storage

Controlling light confinement inside microcavities is crucial to the development of optoelectronic devices such as miniaturized semiconductor lasers. A welcome step in this direction is the successful design of a toroid-shaped microresonator able to trap photons with unprecedented efficiency.

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Figure 1: Microcavity resonators of varying shapes and sizes.

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Gérard, J. Boosting photon storage. Nature Mater 2, 140–141 (2003). https://doi.org/10.1038/nmat847

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