{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Shen Z"],"funding":["Fundamental Research Funds for the Central Universities","National Natural Science Foundation of China","National Research Foundation (NRF) Singapore"],"pagination":["e2503460"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12412008"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["37(35)"],"pubmed_abstract":["Compact, robust, and ultralow-loss on-chip photonic devices are essential for densely integrated photonic chips. Conventional designs struggle to achieve these properties due to their inherent trade-offs among compactness, robustness, and low loss. Topological valley photonic crystals (VPCs) offer a promising solution, as their valley-vortex-protected edge states are capable of robustly guiding light through sharp bends and structural perturbations with negligible loss. Notably, exhaustive control over all loss channels is crucial for minimizing undesired losses. However, the intrinsic loss mechanisms in valley edge states remain largely unexplored, severely limiting their full potential. Here, we unveil that radiation is the dominant loss mechanism in valley edge states and propose a new "],"journal":["Advanced materials (Deerfield Beach, Fla.)"],"pubmed_title":["Interface Topology Driven Loss Minimization in Integrated Photonics: THz Ultrahigh-Q Cavities and Waveguides."],"pmcid":["PMC12412008"],"funding_grant_id":["52175115","11913224000045","NRF-MSG-2023-0002","NRF-CRP23-2019-0005"],"pubmed_authors":["Tan YJ","Shen Z","Wang W","Yan R","Zhang L","Singh R","Tan TC"],"additional_accession":[]},"is_claimable":false,"name":"Interface Topology Driven Loss Minimization in Integrated Photonics: THz Ultrahigh-Q Cavities and Waveguides.","description":"Compact, robust, and ultralow-loss on-chip photonic devices are essential for densely integrated photonic chips. Conventional designs struggle to achieve these properties due to their inherent trade-offs among compactness, robustness, and low loss. Topological valley photonic crystals (VPCs) offer a promising solution, as their valley-vortex-protected edge states are capable of robustly guiding light through sharp bends and structural perturbations with negligible loss. Notably, exhaustive control over all loss channels is crucial for minimizing undesired losses. However, the intrinsic loss mechanisms in valley edge states remain largely unexplored, severely limiting their full potential. Here, we unveil that radiation is the dominant loss mechanism in valley edge states and propose a new ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-05-29T21:15:59.14Z","creation":"2026-04-08T05:57:01.367Z"},"accession":"S-EPMC12412008","cross_references":{"pubmed":["40519064"],"doi":["10.1002/adma.202503460"]}}