1.Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA
2.Center for Metamaterials and Integrated Plasmonics, Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina, 27708, USA
3.MPA-11, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA
4.School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona, 85287, USA
5.Chemistry, Life, and Earth Sciences Directorate, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA
6.Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas, 77005, USA
Hou-Tong Chen (chenht@lanl.gov)
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Beibei Zeng, Zhiqin Huang, Akhilesh Singh, 等. Hybrid graphene metasurfaces for high-speed mid-infrared light modulation and single-pixel imaging[J]. 光:科学与应用, 2018,7(5):523-530.
Zeng, B. B. et al. Hybrid graphene metasurfaces for highspeed mid-infrared light modulation and single-pixel imaging. Light: Science & Applications, 5, 523-530 (2018).
Beibei Zeng, Zhiqin Huang, Akhilesh Singh, 等. Hybrid graphene metasurfaces for high-speed mid-infrared light modulation and single-pixel imaging[J]. 光:科学与应用, 2018,7(5):523-530. DOI: 10.1038/s41377-018-0055-4.
Zeng, B. B. et al. Hybrid graphene metasurfaces for highspeed mid-infrared light modulation and single-pixel imaging. Light: Science & Applications, 5, 523-530 (2018). DOI: 10.1038/s41377-018-0055-4.
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.
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