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Strong coupling of two individually controlled atoms via a nanophotonic cavity

Author(s)
Samutpraphoot, Polnop; Đorđević, Tamara; Ocola, Paloma L.; Bernien, Hannes; Senko, Crystal; Vuletić, Vladan; Lukin, Mikhail D.; ... Show more Show less
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Abstract
We demonstrate photon-mediated interactions between two individually trapped atoms coupled to a nanophotonic cavity. Specifically, we observe collective enhancement when the atoms are resonant with the cavity and level repulsion when the cavity is coupled to the atoms in the dispersive regime. Our approach makes use of individual control over the internal states of the atoms and their position with respect to the cavity mode, as well as the light shifts to tune atomic transitions individually, allowing us to directly observe the anticrossing of the bright and dark two-atom states. These observations open the door for realizing quantum networks and studying quantum many-body physics based on atom arrays coupled to nanophotonic devices. ©2020 Keywords: cavity quantum electrodynamics; collective effects in quantum optics; hybrid quantum systems; quantum control; quantum optics; superradiance & subradiance
Date issued
2020-02-11
URI
https://hdl.handle.net/1721.1/125079
Department
Massachusetts Institute of Technology. Research Laboratory of Electronics; Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Samutpraphoot, Polnop, et al., "Strong coupling of two individually controlled atoms via a nanophotonic cavity." Physical Review Letters 124 (Feb. 2020): no. 063602 doi 10.1103/PhysRevLett.124.063602 ©2020 Author(s)
Version: Final published version
ISSN
1079-7114
0031-9007

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