Fundamentals and Applications of Metasurfaces

Hsiao Hui‐Hsin, Chu Cheng Hung, Tsai Din Ping

Research output: Contribution to journalArticle

Abstract

Metasurfaces have become a rapidly growing field of research in recent years due to their exceptional abilities in light manipulation and versatility in ultrathin optical applications. They also significantly benefit from their simplified fabrication process compared to metamaterials and are promising for integration with on?chip nanophotonic devices owing to their planar profiles. The recent progress in metasurfaces is reviewed and they are classified into six categories according to their underlying physics for realizing full 2π phase manipulation. Starting from multi?resonance and gap?plasmon metasurfaces that rely on the geometric effect of plasmonic nanoantennas, Pancharatnam?Berry?phase metasurfaces, on the other hand, use identical nanoantennas with varying rotation angles. The recent development of Huygens' metasurfaces and all?dielectric metasurfaces especially benefit from highly efficient transmission applications. An overview of state?of?the?art fabrication technologies is introduced, ranging from the commonly used processes such as electron beam and focused?ion?beam lithography to some emerging techniques, such as self?assembly and nanoimprint lithography. A variety of functional materials incorporated to reconfigurable or tunable metasurfaces is also presented. Finally, a few of the current intriguing metasurface?based applications are discussed, and opinions on future prospects are provided.
Original languageEnglish
JournalSmall Methods
Volume1
Issue number4
DOIs
Publication statusPublished - Mar 24 2017

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Fundamentals and Applications of Metasurfaces. / Hui‐Hsin, Hsiao; Hung, Chu Cheng; Ping, Tsai Din.

In: Small Methods, Vol. 1, No. 4, 24.03.2017.

Research output: Contribution to journalArticle

Hui‐Hsin, Hsiao ; Hung, Chu Cheng ; Ping, Tsai Din. / Fundamentals and Applications of Metasurfaces. In: Small Methods. 2017 ; Vol. 1, No. 4.
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