Strong photon nonlinearities and photonic mott insulators |
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| Authors: | Hartmann Michael J Plenio Martin B |
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| Affiliation: | Institute for Mathematical Sciences, Imperial College London, 53 Exhibition Road, London SW7 2PG, United Kingdom. m.hartmann@imperial.ac.uk |
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| Abstract: | We show that photon nonlinearities in an electromagnetically induced transparency can be at least 1 order of magnitude larger than predicted in all previous approaches. As an application we demonstrate that in this regime they give rise to very strong photon-photon interactions which are strong enough to make an experimental realization of a photonic Mott insulator state feasible in arrays of coupled ultrahigh-Q microcavities. |
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