Measuring topological invariants in polaritonic lattices
2021 CONFERENCE ON LASERS AND ELECTRO-OPTICS EUROPE & EUROPEAN QUANTUM ELECTRONICS CONFERENCE (CLEO/EUROPE-EQEC)(2021)
摘要
Thanks to their versatility, photonic systems are very promising platforms for exploring topological physics beyond what is physically reachable in solid-state crystals [1] . In this sense, lattices of semiconductor microcavities confining exciton-polaritons, an hybrid quasi-particle formed from the strong coupling of optical photons and quantum well excitons, offer many advantages. For example, their intrinsic non-hermitian nature allows for probing specific topological properties efficiently and without relying on complex schemes.
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关键词
polaritonic lattices,photonic systems,solid-state crystals,semiconductor microcavities,exciton-polaritons,quasiparticle,optical photons,quantum well exciton,hybrid quasiparticle,arbitrary 2D chiral Hamiltonians,1D chiral Hamiltonians,mean chiral displacement,2D lattices,1D lattices,honeycomb lattice,topological phase transitions
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