Exceptional Point in a Microwave Plasmonic Dipole Resonator for Sub‐Microliter Solution Sensing (Adv. Funct. Mater. 13/2024)

Plasmonic Dipole ResonatorsIn article number 2312170, Xuanru Zhang, Tie Jun Cui, and co‐workers propose an exceptional point (EP) state in a microwave plasmonic dipole resonator. The geometric asymmetry leads to strong asymmetry of the non‐Hermitian Hamiltonian, resulting in enhanced frequency split...

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Bibliographic Details
Published in:Advanced functional materials 2024-03, Vol.34 (13)
Main Authors: Bai, Tian Shuo, Wang, Wan Zhu, Zhang, Xuanru, Cui, Tie Jun
Format: Article
Language:English
Subjects:
Asymmetry
Compressive strength
Dipoles
Plasmonics
Resonators
Online Access:Get full text
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Summary:Plasmonic Dipole ResonatorsIn article number 2312170, Xuanru Zhang, Tie Jun Cui, and co‐workers propose an exceptional point (EP) state in a microwave plasmonic dipole resonator. The geometric asymmetry leads to strong asymmetry of the non‐Hermitian Hamiltonian, resulting in enhanced frequency splitting signals. It combines the EP's high sensitivity and strong plasmonic wavelength compression. The minimum detectable metal scatterer features a diameter of λ0/280, and the reporting limit for glucose reaches 0.26 µmol.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.202470072