Dovzhenko, DmitriyAristov, DenisPickup, LucindaSigurðsson, HelgiLagoudakis, Pavlos2025-11-202025-11-202023-10-11Dovzhenko, D, Aristov, D, Pickup, L, Sigurðsson, H & Lagoudakis, P 2023, 'Next-nearest-neighbor coupling with spinor polariton condensates', Physical Review B, vol. 108, L161301 . https://doi.org/10.1103/PhysRevB.108.L1613012469-99502156976967275badf-8daa-4cc5-b04a-6077970e820cORCID: /0000-0002-4156-4414/work/14417717285178117580https://hdl.handle.net/20.500.11815/7450We report on experimental observation of next-nearest-neighbor coupling between ballistically expanding spinor exciton-polariton condensates in a planar semiconductor microcavity. All-optical control over the coupling strength between neighboring condensates is demonstrated through distance-periodic pseudospin screening of their ballistic particle outflow due to the inherent splitting of the planar cavity transverse-electric and transverse-magnetic modes. By screening the nearest-neighbor coupling we overcome the conventional spatial coupling hierarchy between condensates. This offers a promising route toward creating unconventional nonplanar many-body Hamiltonians using networks of ballistically expanding spinor exciton-polariton condensates.11298270eninfo:eu-repo/semantics/openAccesspolaritonmicrocavitypolariton condensatespin orbit coupling899141964770945339/dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article10.1103/PhysRevB.108.L161301