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Conferences > EQEC > 2021 > ec_1 > ec_1_3
  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ec_1_3

Measuring topological invariants in polaritonic lattices

P. St-Jean, A. Dauphin, P. Massignan, B. Real, O. Jamadi, M. Milicevic, A. Lemaître, A. Harouri, L. Le Gratiet, I. Sagnes, S. Ravets, J. Bloch, and A. Amo

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Abstract

Using a honeycomb polaritonic lattice, we elaborate and demonstrate a scheme for measuring topological invariants of 2D chiral Hamiltonians directly from the bulk. We also extend our scheme to critically compressed honeycomb lattices, where Dirac cones have merged.

© 2021 IEEE

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