Application of topological edge states in magnetic resonance imaging

Abstract

Topological edge states in electromagnetic systems feature a set of attracting fundamental properties and unveil prospective applications based on disorder robustness and tailored localization. Despite active efforts in implementing topologically-protected waveguides in 2D photonic systems, applications of 1D topological systems remain almost uncharted. This letter demonstrates that topological edge modes can be realized in metamaterial-inspired volumetric resonators with a practical application in clinical magnetic resonance imaging (MRI). Performing numerical simulations and experiments with a 1.5 T MR scanner, we reconstruct the associated topological edge mode profiles and demonstrate their feasibility for sensitivity enhancement of conventional radiofrequency coils.

9 pages, 4 figures, 4 supplementary figures

References in corpus (8)

• Topological Photonics
• Topological properties of linear circuit lattices
• Wireless power transfer via topological modes in dimer chains
• Demonstration of topological wireless power transfer
• Higher-order topological states mediated by long-range coupling in $D_4$-symmetric lattices
• Quantum Hall phase emerging in an array of atoms interacting with photons
• Topological split-ring resonator based metamaterials with $\mathcal{P}\mathcal{T}$ symmetry relying on gain and loss
• Topological Photonics on a Small Scale

Cited by in corpus (1)

• Theoretical description of interface states in a tetragonal lattice of bianisotropic resonators