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However, achieving TBs in which multiple DoFs are completely decoupled remains a significant challenge. Here, we demonstrate the generation of customizable fully structured vector trajectory beams (VTBs) in the focal plane using a single\u2010layer metasurface designed via computer\u2010generated holography. The controllable DoFs encompass the trajectory shape and the distributions of amplitude, phase, and polarization along the predefined trajectory. The generated TBs surpass existing methods in the number of controllable DoFs. More significantly, by shifting the key principle of the design from angular\u2010variant topological phases to spatial trajectory, they surpass conventional vortex beams based on the prior principle, including their more advanced derivatives. The demonstrated ability to independently control multiple DoFs holds great promise in enhancing the channel capacity in optical communication.<\/jats:p>","DOI":"10.1002\/nap2.70141","type":"journal-article","created":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T03:37:10Z","timestamp":1779680230000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Customizable Fully Structured Vector Trajectory Beams in the Focal Plane via a Single\u2010Layer Metasurface"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-7864-3845","authenticated-orcid":false,"given":"Zhibang","family":"Tan","sequence":"first","affiliation":[{"name":"Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Optoelectronic Science and Engineering South China Normal University  Guangzhou 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