Optical control of the refractive index of a single atom

Details Optical control of the refractive index of a single atom Optical control of the refractive index of a single atom

2010-04-29

arxiv.org/abs/1004.5348v2

Phys. Rev. Lett. 105, 153603 (2010)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevLett.105.153603

We experimentally demonstrate the elementary case of electromagnetically induced transparency (EIT) with a single atom inside an optical cavity probed by a weak field. We observe the modification of the dispersive and absorptive properties of the atom by changing the frequency of a control light field. Moreover, a strong cooling effect has been observed at two-photon resonance, increasing the storage time of our atoms twenty-fold to about 16 seconds. Our result points towards all-optical switching with single photons.

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