Excitonic versus Free-Carrier Contributions to the Nonlinearly Excited Photoluminescence in CsPbBr3 Perovskites
Nonlinear optical absorption of light and efficient luminescence in halide perovskites are
important photophysical processes, which can be employed for efficient light conversion …
important photophysical processes, which can be employed for efficient light conversion …
Kagome lattice from an exciton-polariton perspective
We study a system of microcavity pillars arranged into a kagome lattice. We show that
polarization-dependent tunnel coupling of microcavity pillars leads to the emergence of the …
polarization-dependent tunnel coupling of microcavity pillars leads to the emergence of the …
Long-distance coupling and energy transfer between exciton states in magnetically controlled microcavities
Coupling of quantum emitters in a semiconductor relies, generally, on short-range dipole-
dipole or electronic exchange type interactions. Consistently, energy transfer between …
dipole or electronic exchange type interactions. Consistently, energy transfer between …
Giant spin-selective bandgap renormalization in colloidal nanocrystals
M Shrivastava, A Hazarika, J Aneesh, D Mandal… - Physical Review B, 2022 - APS
The spin-dependence of the strongly correlated phenomena and many-body interactions
play an important role in quantum information science. In particular, it is quite interesting but …
play an important role in quantum information science. In particular, it is quite interesting but …
Topological spin Meissner effect in spinor exciton-polariton condensate: Constant amplitude solutions, half-vortices, and symmetry breaking
We generalize the spin Meissner effect for an exciton-polariton condensate confined in
annular geometries to the case of nontrivial topology of the condensate wave function. In …
annular geometries to the case of nontrivial topology of the condensate wave function. In …
Unconventional Bloch-Grüneisen Scattering in Hybrid Bose-Fermi Systems
We report on the novel mechanism of electron scattering in hybrid Bose-Fermi systems
consisting of a two-dimensional electron gas in the vicinity of an exciton condensate: We …
consisting of a two-dimensional electron gas in the vicinity of an exciton condensate: We …
Magnetic field effect on the lasing threshold of a semimagnetic polariton condensate
We evidence magnetic field triggered polariton lasing in a microcavity containing
semimagnetic quantum wells. This effect is associated with a decrease of the polariton …
semimagnetic quantum wells. This effect is associated with a decrease of the polariton …
Angular dependence of giant Zeeman effect for semimagnetic cavity polaritons
The observation of spin-related phenomena of microcavity polaritons has been limited due
to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the …
to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the …
Bogolon-mediated electron scattering in graphene in hybrid Bose-Fermi systems
We study electron scattering in graphene in hybrid Bose-Fermi systems. We calculate the
energy-dependent electron relaxation time, accounting for the processes of emission and …
energy-dependent electron relaxation time, accounting for the processes of emission and …
Relaxation oscillations and ultrafast emission pulses in a disordered expanding polariton condensate
Semiconductor microcavities are often influenced by structural imperfections, which can
disturb the flow and dynamics of exciton-polariton condensates. Additionally, in exciton …
disturb the flow and dynamics of exciton-polariton condensates. Additionally, in exciton …