Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe2.

@article{Gu2021EnhancedNI,
  title={Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe2.},
  author={Jie Gu and V. Walther and L. Waldecker and D. Rhodes and A. Raja and J. Hone and T. Heinz and S. K'ena-Cohen and T. Pohl and V. Menon},
  journal={Nature communications},
  year={2021},
  volume={12 1},
  pages={
          2269
        }
}
Strong optical nonlinearities play a central role in realizing quantum photonic technologies. Exciton-polaritons, which result from the hybridization of material excitations and cavity photons, are an attractive candidate to realize such nonlinearities. While the interaction between ground state excitons generates a notable optical nonlinearity, the strength of such interactions is generally not sufficient to reach the regime of quantum nonlinear optics. Excited states, however, feature… Expand
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