15 citations · 29 across the 13 of their papers we have counts for
12 papers · 1 filter
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…
Topological edge states in curved zigzag superlattices in nonlinear exciton-polaritons
Jing Wang, Tobias Schneider, Wei Hu +2
Zigzag chains allow for the formation of topological edge states. Several distinct chain architectures have been developed for this purpose. Here, we report a zigzag superlattice,…
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…
Higher-order dark solitons and oscillatory dynamics in microcavity polariton condensates
Jinming Sun, Manna Chen, Stefan Schumacher +2
Dark solitons carrying quantized phase information arouse great interest in different nonlinear systems. A dark soliton in 1D can be stabilized in microcavity polariton condensates…
Observation of condensed moire exciton polaritons in twisted photonic lattices at room temperature
Chunzi Xing, Yu Wang, Tobias Schneider +11
Moire lattices attract significant attention in double-layer graphene and TMD layer heterostructures as well as in photonic crystals due to the interesting exotic physics that emer…
Splitting spin-orbit coupled polariton vortex pairs in the non-Hermitian Rashba-Dresselhaus band at room temperature
Xiaokun Zhai, Ying Gao, Xuekai Ma +6
Spin orbit coupling gives rise to intriguing physical phenomena in bosonic condensates, such as formation of stripe phases and domains with vortex arrays. However, how the non-Herm…
Organic room-temperature polariton condensate in a higher-order topological lattice
Christoph Bennenhei, Hangyong Shan, Marti Struve +8
Organic molecule exciton-polaritons in photonic lattices are a versatile platform to emulate unconventional phases of matter at ambient conditions, including protected interface mo…
Optically and remotely controlling localization of exciton polariton condensates in a potential lattice
Qiang Ai, Jan Wingenbach, Xinmiao Yang +6
Exciton polaritons are inherently tunable systems with adjustable potential landscape. In this work we show that exciton polariton condensates can be selectively localized in a fix…
Photochemical reaction enabling the engineering of photonic spin-orbit coupling in organic-crystal optical microcavities
Qian Liang, Xuekai Ma, Jiahuan Ren +6
The control and active manipulation of spin-orbit coupling (SOC) in photonic systems is fundamental in the development of modern spin optics and topological photonic devices. Here,…
Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems
Jan Wingenbach, Stefan Schumacher, Xuekai Ma
Exceptional points (EPs) with their intriguing spectral topology have attracted considerable attention in a broad range of physical systems, with potential sensing applications dri…