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Topological Quantum Optics in Two-Dimensional Atomic Arrays

Author(s)
Borregaard, J.; Chang, D. E.; Pichler, H.; Yelin, S. F.; Zoller, P.; Lukin, M. D.; Perczel, Janos; ... Show more Show less
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Abstract
We demonstrate that two-dimensional atomic emitter arrays with subwavelength spacing constitute topologically protected quantum optical systems where the photon propagation is robust against large imperfections while losses associated with free space emission are strongly suppressed. Breaking time-reversal symmetry with a magnetic field results in gapped photonic bands with nontrivial Chern numbers and topologically protected, long-lived edge states. Due to the inherent nonlinearity of constituent emitters, such systems provide a platform for exploring quantum optical analogs of interacting topological systems.
Date issued
2017-07
URI
http://hdl.handle.net/1721.1/110723
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Perczel, J. et al. “Topological Quantum Optics in Two-Dimensional Atomic Arrays.” Physical Review Letters 119.2 (2017): n. pag. © 2017 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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