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A plasmonic route for the integrated wireless communication of subdiffraction-limited signals.


ABSTRACT: Perfect lenses, superlenses and time-reversal mirrors can support and spatially separate evanescent waves, which is the basis for detecting subwavelength information in the far field. However, the inherent limitations of these methods have prevented the development of systems to dynamically distinguish subdiffraction-limited signals. Utilizing the physical merits of spoof surface plasmon polaritons (SPPs), we demonstrate that subdiffraction-limited signals can be transmitted on planar integrated SPP channels with low loss, low channel interference, and high gain and can be radiated with a very low environmental sensitivity. Furthermore, we show how deep subdiffraction-limited signals that are spatially coupled can be distinguished after line-of-sight wireless transmission. For a visualized demonstration, we realize the high-quality wireless communication of two movies on subwavelength channels over the line of sight in real time using our plasmonic scheme, showing significant advantages over the conventional methods.

SUBMITTER: Zhang HC 

PROVIDER: S-EPMC7329838 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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A plasmonic route for the integrated wireless communication of subdiffraction-limited signals.

Zhang Hao Chi HC   Zhang Le Peng LP   He Pei Hang PH   Xu Jie J   Qian Cheng C   Garcia-Vidal Francisco J FJ   Cui Tie Jun TJ  

Light, science & applications 20200702


Perfect lenses, superlenses and time-reversal mirrors can support and spatially separate evanescent waves, which is the basis for detecting subwavelength information in the far field. However, the inherent limitations of these methods have prevented the development of systems to dynamically distinguish subdiffraction-limited signals. Utilizing the physical merits of spoof surface plasmon polaritons (SPPs), we demonstrate that subdiffraction-limited signals can be transmitted on planar integrated  ...[more]

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