20.500.12556/RUL-176581 Photonic eigenmodes of 2D cylindrical cholesteric liquid crystal resonators Cholesteric liquid crystals (CLCs) are birefringent materials with a helical molecular orientation that enables the selective reflection of circularly polarized light, making them valuable for various optical applications. While extensively studied in planar geometries, their optical properties in cylindrical and droplet-shaped confinements remain less understood. This article numerically investigates photonic eigenmodes in 2D cylindrical CLC resonators with concentric layered and spiral configurations. We demonstrate that the interplay of cylindrical confinement and cholesteric helicity gives rise to distinct optical modes: (i) Bragg-like modes, (ii) central defect modes, and (iii) whispering gallery modes at the boundary or within the bulk. These findings connect the well-known behavior of 1D CLC layers with more complex 2D cylindrical and 3D spherical systems and provide insight into the polarization-dependent mode structure in anisotropic media. The results have implications for designing advanced CLC-based photonic elements such as soft-matter-based lasers and spherical reflectors. photonics cholesteric liquid crystals optical resonators optical eigenmodes resonators spectrum chemical looping combustion chemical structure defects electric fields electrical conductivity lasers layers liquid crystals optical properties fotonika holesterični tekoči kristali optični resonatorji lastni načini true false true Angleški jezik Slovenski jezik Članek v reviji 2025-12-04 11:35:55 2025-12-04 11:35:56 2025-12-22 04:11:37 0000-00-00 00:00:00 2025 0 0 Str. 5572–5585 iss. 10 Vol. 12 2025 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 535:538.9 2330-4022 10.1021/acsphotonics.5c01294 251245059 photonic-eigenmodes-of-2d-cylindrical-cholesteric-liquid-crystal-resonators.pdf photonic-eigenmodes-of-2d-cylindrical-cholesteric-liquid-crystal-resonators.pdf 1 613484D00515655B3327403682404E62 bd1ff446a161f4499ff9926b331ddb46cabafb4d6b06e8acb3ba803b64978484 d744c64a-d0fc-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223001 https://pubs.acs.org/doi/10.1021/acsphotonics.5c01294 0 bf477cd9-d0fc-11f0-9328-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=223000 Fakulteta za matematiko in fiziko 0 0 0