Chinese Optics Letters, 2020, 18 (6): 062401, Published Online: May. 12, 2020   

Advancements in high refractive index media: from quantum coherence in atomic systems to deep sub-wavelength coupling in metamaterials [Invited] Download: 656次

Author Affiliations
School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA
Abstract
Refractive index enhancement is crucial in the fields of lithography, imaging, optical communications, solar devices, and many more. We present a review of advancements in the process of designing high refractive index metamaterials, starting from quantum coupling and photonic bandgap materials to metamaterials utilizing deep subwavelength coupling to achieve ever-high values of refractive index. A particular attention is given to experimentally verified schemes in engineering a high index of refraction. The understanding of the evolution of material design from intrinsic electronic states manipulation to meta-atoms design is not only fascinating but also a prerequisite to developing successful devices and applications.

Leena Singh, Weili Zhang. Advancements in high refractive index media: from quantum coherence in atomic systems to deep sub-wavelength coupling in metamaterials [Invited][J]. Chinese Optics Letters, 2020, 18(6): 062401.

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