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Skyrmions, long studied as topological solitons in vector fields, have recently been extended to scalar wave systems, including acoustics, hydrodynamics, and plasmonics. However, their realization in two\u2010dimensional scalar wave propagation with nonlinearities and in quantum fluids remains uncharted. Here, we establish such a Skyrmion framework for scalar fields in optical microcavities. With a focus on exciton\u2013polaritons, we show that nonresonant excitation without imposed phase can spontaneously generate isolated Skyrmions and self\u2010organized Skyrmion lattices in a polariton condensate. We trace this mechanism to gain\u2010 and loss\u2010induced phase curvature together with outward polariton flow. We further demonstrate that polariton nonlinearities provide all\u2010optical control of these topological textures, enabling switching of the Skyrmion number and reconfiguration of Skyrmion moir\u00e9 lattices through resonant and nonresonant excitation schemes. These results establish nonlinear non\u2010Hermitian resonators as a versatile platform for the spontaneous generation and active control of scalar topological light fields.<\/jats:p>","DOI":"10.1002\/nap2.70303","type":"journal-article","created":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T06:21:12Z","timestamp":1791613272000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Skyrmions in Scalar Fields of Non\u2010Hermitian Optical Microcavities: Spontaneous Formation, Nonlinear Control, and Optical Forces"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3558-6972","authenticated-orcid":false,"given":"Jan","family":"Wingenbach","sequence":"first","affiliation":[{"name":"Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP) Paderborn University  Paderborn Germany"},{"name":"Institute for Photonic Quantum Systems (PhoQS) Paderborn University  Paderborn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roman","family":"Lebs","sequence":"additional","affiliation":[{"name":"Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP) Paderborn University  Paderborn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6659-4134","authenticated-orcid":false,"given":"Xuekai","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP) Paderborn University  Paderborn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4189-3269","authenticated-orcid":false,"given":"Ewan M.","family":"Wright","sequence":"additional","affiliation":[{"name":"Wyant College of Optical Sciences University of Arizona  Tucson Arizona USA"},{"name":"Department of Physics University of Arizona  Tucson Arizona 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