PTX-symmetric metasurfaces for sensing applications

In this paper, we introduce an ultra-sensitive optical sensing platform based on the parity-time-reciprocal scaling ( PTX )-symmetric non-Hermitian metasurfaces, which leverage exotic singularities, such as the exceptional point (EP) and the coherent perfect absorber-laser (CPAL) point, to significa...

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Veröffentlicht in:	Frontiers of Optoelectronics (Online) 2021-06, Vol.14 (2), p.211-220
Hauptverfasser:	Ye, Zhilu, Yang, Minye, Zhu, Liang, Chen, Pai-Yen
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorbates Biomedical Engineering and Bioengineering Electrical Engineering Engineering Gain-Loss Metasurfaces Modulation Perturbation Physics Recent Advances in Optical Metasurfaces Research Article Scaling factors Scattering Sensitivity enhancement Sensors
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