Local Enhancement of Terahertz Waves in Structured Metals

Strong enhancement of electromagnetic (EM) fields is at the core of optics research as higher EM intensity is essential in various nonlinear applications, and, particularly, in the field of terahertz (THz) optics where photon energy is relatively low. In this review, we discuss THz wave interaction...

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Bibliographic Details
Published inIEEE transactions on terahertz science and technology Vol. 6; no. 3; pp. 371 - 381
Main Authors Ji-Hun Kang, Park, Q-Han
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.05.2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Antenna radiation patterns
Apertures
electromagnetic (EM) diffraction
Green's function methods
Hybrid systems
Mathematical analysis
Metals
Metamaterials
Nonlinearity
Photons
Physics
Receiving antennas
Slot antennas
terahertz (THz) waves
Wave interaction
Apertures
terahertz (THz) waves
electromagnetic (EM) diffraction
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Summary:Strong enhancement of electromagnetic (EM) fields is at the core of optics research as higher EM intensity is essential in various nonlinear applications, and, particularly, in the field of terahertz (THz) optics where photon energy is relatively low. In this review, we discuss THz wave interaction with various types of structured metals that results in strong local enhancements of THz fields. Specifically, we consider the aperture-type, the rod-type, and the hybrid type metamaterial systems and explain the analytic nature of local enhancements.
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ISSN:2156-342X
2156-3446
DOI:10.1109/TTHZ.2016.2549361