Hybrid graphene metasurfaces for high-speed mid-infrared light modulation and single-pixel imaging

Beibei Zeng, Zhiqin Huang, Akhilesh Singh, Yu Yao, Abul K. Azad, Aditya D. Mohite, Antoinette J. Taylor, David R. Smith, Hou Tong Chen

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

During the past decades, major advances have been made in both the generation and detection of infrared light; however, its efficient wavefront manipulation and information processing still encounter great challenges. Efficient and fast optoelectronic modulators and spatial light modulators are required for mid-infrared imaging, sensing, security screening, communication and navigation, to name a few. However, their development remains elusive, and prevailing methods reported so far have suffered from drawbacks that significantly limit their practical applications. In this study, by leveraging graphene and metasurfaces, we demonstrate a high-performance free-space mid-infrared modulator operating at gigahertz speeds, low gate voltage and room temperature. We further pixelate the hybrid graphene metasurface to form a prototype spatial light modulator for high frame rate single-pixel imaging, suggesting orders of magnitude improvement over conventional liquid crystal or micromirror-based spatial light modulators. This work opens up the possibility of exploring wavefront engineering for infrared technologies for which fast temporal and spatial modulations are indispensable.

Original languageEnglish (US)
Article number51
JournalLight: Science and Applications
Volume7
Issue number1
DOIs
StatePublished - Dec 1 2018

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Light modulation
light modulation
light modulators
Graphene
graphene
Pixels
pixels
high speed
Wavefronts
Infrared radiation
Imaging techniques
Modulators
modulators
Liquid Crystals
Infrared imaging
navigation
encounters
Optoelectronic devices
Liquid crystals

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

Hybrid graphene metasurfaces for high-speed mid-infrared light modulation and single-pixel imaging. / Zeng, Beibei; Huang, Zhiqin; Singh, Akhilesh; Yao, Yu; Azad, Abul K.; Mohite, Aditya D.; Taylor, Antoinette J.; Smith, David R.; Chen, Hou Tong.

In: Light: Science and Applications, Vol. 7, No. 1, 51, 01.12.2018.

Research output: Contribution to journalArticle

Zeng, Beibei ; Huang, Zhiqin ; Singh, Akhilesh ; Yao, Yu ; Azad, Abul K. ; Mohite, Aditya D. ; Taylor, Antoinette J. ; Smith, David R. ; Chen, Hou Tong. / Hybrid graphene metasurfaces for high-speed mid-infrared light modulation and single-pixel imaging. In: Light: Science and Applications. 2018 ; Vol. 7, No. 1.
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