620 citations · 865 across the 10 of their papers we have counts for
10 papers
Momentum-space non-Hermitian skin effect in an exciton-polariton system
Yow-Ming, Hu, Mateusz Król +11
Localization of a macroscopic number of eigenstates on a real-space boundary, known as the non-Hermitian skin effect, is one of the striking topological features emerging from non-…
Quantum geometric tensor and wavepacket dynamics in two-dimensional non-Hermitian systems
Y. -M. Robin Hu, Elena A. Ostrovskaya, Eliezer Estrecho
The quantum geometric tensor (QGT) characterizes the local geometry of quantum states, and its components directly account for the dynamical effects observed, e.g., in condensed ma…
Bogoliubov excitations of a polariton condensate in dynamical equilibrium with an incoherent reservoir
Maciej Pieczarka, Olivier Bleu, Eliezer Estrecho +9
The classic Bogoliubov theory of weakly interacting Bose gases rests upon the assumption that nearly all the bosons condense into the lowest quantum state at sufficiently low tempe…
Micro- Mechanical assembly of high-quality Fabry-Perot microcavities for the integration with two-dimensional materials
Christoph Rupprecht, Nils Lundt, Sven Höfling +1
Integrating monolayers of two-dimensional semiconductors in planar, and potentially microstructured microcavities is challenging because of the few, available approaches to overgro…
Two-dimensional GaO glass: a large scale passivation and protection material for monolayer WS
Matthias Wurdack, Tinghe Yun, Eliezer Estrecho +14
Atomically thin transition metal dichalcogenide crystals (TMDCs) have extraordinary optical properties that make them attractive for future optoelectronic applications. Integration…
Low-energy collective oscillations and Bogoliubov sound in an exciton-polariton condensate
E. Estrecho, M. Pieczarka, M. Wurdack +6
We report the observation of low-energy, low-momenta collective oscillations of an excitonpolariton condensate in a round "box" trap. The oscillations are dominated by the dipole a…
Chiral modes at exceptional points in exciton-polariton quantum fluids
T. Gao, G. Li, E. Estrecho +10
We demonstrate generation of chiral modes -- vortex flows with fixed handedness in exciton-polariton quantum fluids. The chiral modes arise in the vicinity of exceptional points (n…
Spontaneous condensation of exciton polaritons in the single-shot regime
E. Estrecho, T. Gao, N. Bobrovska +9
Bose-Einstein condensate of exciton polaritons in a semiconductor microcavity is a macroscopically populated coherent quantum state subject to concurrent pumping and decay. Debates…
Collective state transitions of exciton-polaritons loaded into a periodic potential
K. Winkler, O. A. Egorov, I. G. Savenko +9
We study the loading of a nonequilibrium, dissipative system of composite bosons -- exciton polaritons -- into a one dimensional periodic lattice potential. Utilizing momentum reso…
Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard
T. Gao, E. Estrecho, K. Y. Bliokh +12
Exciton-polaritons are hybrid light-matter quasiparticles formed by strongly interacting photons and excitons (electron-hole pairs) in semiconductor microcavities. They have emerge…