11 papers
Optical vortex classification via machine learning
Tobias Schneider, Boqiang Huang, Stefan Schumacher +1
Optical vortices carry quantized phase information (topological charge) and are considered candidates for information processing in all-optical circuits. Accurately identifying the…
Skyrmions in scalar fields of non-Hermitian optical microcavities: spontaneous formation, nonlinear control, and optical forces
Jan Wingenbach, Roman Lebs, Xuekai Ma +5
Topological textures of light offer powerful routes for structuring optical fields, controlling wave transport, and manipulating matter. Skyrmions, long studied as topological soli…
Universal exciton polariton logic gates in Ouroboros rings
Tobias Schneider, Stefan Schumacher, Xuekai Ma
All-optical logic gates have significantly advanced over a diverse range of photonic systems, boosted by intricate nonlinearities that facilitate the engineering of complex logic o…
Electrically tunable nonrigid moire exciton polariton supersolids at room temperature
Xiaokun Zhai, Junhui Cao Chunzi Xing, Xinmiao Yang +8
A supersolid is a macroscopic quantum state which sustains superfluid and crystallizing structure together after breaking the U(1) symmetry and translational symmetry. On the other…
Ultrafast Exciton-Polariton Transport and Relaxation in Halide Perovskite
Yuexing Xia, Yin Liang, Zhiyong Zhang +13
Halide perovskites offer a great platform for room-temperature exciton-polaritons (EPs) due to their strong oscillator strength and large exciton binding energy, promising applicat…
Non-Hermitian trapping of Dirac exciton-polariton condensates in a perovskite metasurface
Mikhail Masharin, Igor Chestnov, Andrey Bochin +9
Massless Dirac particles avoid trapping due to their exceptional tunneling properties manifested in the so-called Klein paradox. This conclusion stems from the conservative treatme…