Incoherent light delivers skyrmionic topological resilience and transitions
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866918461209313280 |
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| author | Liu, Yonglei Chen, Shiqi Guo, Zhenyu Zhu, Kaiqi Chen, Yahong Cai, Yangjian Shen, Yijie Wang, Fei |
| author_facet | Liu, Yonglei Chen, Shiqi Guo, Zhenyu Zhu, Kaiqi Chen, Yahong Cai, Yangjian Shen, Yijie Wang, Fei |
| contents | Optical skyrmions has recently unlocked topological quasiparticle textures of light, rising in prominence for next-generation ultra-robust information processing. However, to date, their study hasbeen mainly confined to coherent laser fields. Here we extend skyrmions to much general light sources of partially coherent, stochastic optical fields. We define stochastic optical skyrmions and uncover a hidden regime where spatial coherence acts as a primary determinant of topological stability. While environmental randomness typically degrades fully coherent states, we demonstrate that engineered partial coherence provides a self-healing mechanism that preserves topology under extreme turbulence. Moreover, we show that the coherence structure can be actively tailored to trigger on-demand topological phase transitions, such as skyrmion-to-skyrmionium conversion and skyrmion lattice splitting. These findings redefine the boundaries of topological photonics, paving the way for resilient and high-fidelity information platforms that remain operational in general, non-ideal, real-world environments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_20207 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Incoherent light delivers skyrmionic topological resilience and transitions Liu, Yonglei Chen, Shiqi Guo, Zhenyu Zhu, Kaiqi Chen, Yahong Cai, Yangjian Shen, Yijie Wang, Fei Optics Optical skyrmions has recently unlocked topological quasiparticle textures of light, rising in prominence for next-generation ultra-robust information processing. However, to date, their study hasbeen mainly confined to coherent laser fields. Here we extend skyrmions to much general light sources of partially coherent, stochastic optical fields. We define stochastic optical skyrmions and uncover a hidden regime where spatial coherence acts as a primary determinant of topological stability. While environmental randomness typically degrades fully coherent states, we demonstrate that engineered partial coherence provides a self-healing mechanism that preserves topology under extreme turbulence. Moreover, we show that the coherence structure can be actively tailored to trigger on-demand topological phase transitions, such as skyrmion-to-skyrmionium conversion and skyrmion lattice splitting. These findings redefine the boundaries of topological photonics, paving the way for resilient and high-fidelity information platforms that remain operational in general, non-ideal, real-world environments. |
| title | Incoherent light delivers skyrmionic topological resilience and transitions |
| topic | Optics |
| url | https://arxiv.org/abs/2604.20207 |