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Steady-state Hall response and quantum geometry of driven-dissipative lattices
Tomoki Ozawa
We study the effects of the quantum geometric tensor, i.e., the Berry curvature and the Fubini-Study metric, on the steady state of driven-dissipative bosonic lattices. We show tha…
Lasing in topological edge states of a 1D lattice
P. St-Jean, V. Goblot, E. Galopin +6
Topology describes properties that remain unaffected by smooth distortions. Its main hallmark is the emergence of edge states localized at the boundary between regions characterize…
Klein tunneling in driven-dissipative photonic graphene
Tomoki Ozawa, Alberto Amo, Jacqueline Bloch +1
We theoretically investigate Klein tunneling processes in photonic artificial graphene. Klein tunneling is a phenomenon in which a particle with Dirac dispersion going through a po…
Propagating edge states in strained honeycomb lattices
Grazia Salerno, Tomoki Ozawa, Hannah M. Price +1
We investigate the helically-propagating edge states associated with pseudo-Landau levels in strained honeycomb lattices. We exploit chiral symmetry to derive a general criterion f…