Anomalous Electromagnetic Tunneling in Bianisotropic ϵ-μ-Zero Media

Menglin L.N. Chen, Yangang Bi, Hsun Chi Chan, Zemeng Lin, Shaojie Ma, Shuang Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)

Abstract

Quantum tunneling, one of the most celebrated effects arising from the wave nature of matter, describes the partial penetration of an incident propagating wave through a potential barrier in the form of an evanescent field that exponentially decays from the incident interface. A similar tunneling effect has also been observed in classical systems, such as the frustrated total internal reflection. Here we reveal an unexplored form of tunneling for electromagnetic waves which features opposite behaviors for the electric and magnetic fields, with one turning into a growing field, and the other a decaying field, in a medium that exhibits both ϵ-μ-zero and bianisotropy. Our Letter provides a new mechanism for manipulating electromagnetic waves for novel device applications.

Original languageEnglish
Article number123901
Pages (from-to)1-5
JournalPhysical Review Letters
Volume129
Issue number12
DOIs
Publication statusPublished - 16 Sep 2022
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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