{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10(46)"],"submitter":["Lv W"],"pubmed_abstract":["C points, circular polarization in momentum space, play crucial roles in chiral wave manipulations. However, conventional approaches of achieving intrinsic C points using photonic crystals with broken symmetries suffer from a low <i>Q</i> factor and high sensitivity to structural geometry, rendering them fragile and susceptible to perturbations and disorders. We report magneto-optical (MO) bound states in the continuum (BICs) with a symmetry-preserved planar photonic crystal. We achieve intrinsic C points at Γ point that are robust against variation in both structural geometry and external magnetic field. MO coupling between two modes induces Zeeman splitting, leading to MO BICs and quasi-BICs with circular eigenstates for high-<i>Q</i> chiral responses. Furthermore, switchable C point han"],"journal":["Science advances"],"pagination":["eads0157"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11566988"],"repository":["biostudies-literature"],"pubmed_title":["Robust generation of intrinsic C points with magneto-optical bound states in the continuum."],"pmcid":["PMC11566988"],"pubmed_authors":["Lv W","Huang J","Genevet P","Song Q","Qin H","Su Z","Li B","Zhang C","Shi Y"],"additional_accession":[]},"is_claimable":false,"name":"Robust generation of intrinsic C points with magneto-optical bound states in the continuum.","description":"C points, circular polarization in momentum space, play crucial roles in chiral wave manipulations. However, conventional approaches of achieving intrinsic C points using photonic crystals with broken symmetries suffer from a low <i>Q</i> factor and high sensitivity to structural geometry, rendering them fragile and susceptible to perturbations and disorders. We report magneto-optical (MO) bound states in the continuum (BICs) with a symmetry-preserved planar photonic crystal. We achieve intrinsic C points at Γ point that are robust against variation in both structural geometry and external magnetic field. MO coupling between two modes induces Zeeman splitting, leading to MO BICs and quasi-BICs with circular eigenstates for high-<i>Q</i> chiral responses. Furthermore, switchable C point han","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov","modification":"2025-04-21T22:16:03.215Z","creation":"2025-04-05T18:40:46.076Z"},"accession":"S-EPMC11566988","cross_references":{"pubmed":["39546605"],"doi":["10.1126/sciadv.ads0157"]}}