Polariton condensation in $S$- and $P$-flatbands in a two-dimensional Lieb lattice

Abstract

We study the condensation of exciton-polaritons in a two-dimensional Lieb lattice of micropillars. We show selective polariton condensation into the flatbands formed by S and P${}_{x;y}$ orbital modes of the micropillars under non-resonant laser excitation. The real space mode patterns of these condensates are accurately reproduced by the calculation of related Bloch modes of S- and P-flatbands. Our work emphasizes the potential of exciton-polariton lattices to emulate Hamiltonians of advanced potential landscapes. Furthermore, the obtained results provide a deeper inside into the physics of flatbands known mostly within the tight-binding limit.

References in corpus (7)

• Quantum fluids of light
• Fractional quantum Hall states at zero magnetic field
• Observation of a localized flat-band state in a photonic Lieb lattice
• Observation of bound states in Lieb photonic lattices
• Edge states in Graphene: from gapped flat band to gapless chiral modes
• Fractional Quantum Hall Effect in Topological Flat Bands with Chern Number Two
• Spin order and phase transitions in chains of polariton condensates

Cited by in corpus (3)

• p-band engineering in artificial electronic lattices
• Interface states in polariton topological insulators
• Perfect localization on flat band binary one-dimensional photonic lattices