Journal
PHYSICAL REVIEW A
Volume 91, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.91.033838
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Funding
- National Science Foundation (NSF) PFC at the JQI
- NSF PIF
- Army Research Office (ARO)
- Army Research Laboratory (ARL)
- ARO MURI
- Air Force Office of Scientific Research (AFOSR)
- AFOSR MURI
- Miller Institute for Basic Research in Science
- Israel Science Foundation (ISF)
- Zumbi Stiftung
- EU through the Marie Curie ITN COHERENCE and EU-FET [HAIRS 612862]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1415616] Funding Source: National Science Foundation
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We propose a scheme for realizing fractional quantum Hall states of light. In our scheme, photons of two polarizations are coupled to different atomic Rydberg states to form two flavors of Rydberg polaritons that behave as an effective spin. An array of optical cavity modes overlapping with the atomic cloud enables the realization of an effective spin-1/2 lattice. We show that the dipolar interaction between such polaritons, inherited from the Rydberg states, can be exploited to create a flat, topological band for a single spin-flip excitation. At half filling, this gives rise to a photonic (or polaritonic) fractional Chern insulator-a lattice-based, fractional quantum Hall state of light.
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