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Holographic communication using programmable coding metasurface.

Fan Zhang1, Chaohui Wang1, Weike Feng1

  • 1Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China.

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|December 16, 2024
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Summary
This summary is machine-generated.

This study introduces a novel holographic communication strategy that converts optical information into electromagnetic signals in real-time. This adaptive electromagnetic technology enables dynamic wavefront manipulation for advanced near-field communication applications.

Keywords:
holographic communicationnear-field communicationprogrammable coding metasurfacespin-decoupled

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Area of Science:

  • Optics and Photonics
  • Metamaterials
  • Wireless Communication

Background:

  • Metasurface-based holographic communication offers adaptive electromagnetic functionality.
  • Conventional passive metasurfaces lack real-time reconfigurability for wavefront manipulation.

Purpose of the Study:

  • To propose and demonstrate a novel holographic communication strategy for real-time optical-to-electromagnetic information conversion.
  • To overcome the limitations of passive metasurfaces in adaptive electromagnetic applications.

Main Methods:

  • Information acquisition and encoding using a depth camera and YOLOv5s algorithm.
  • Data transmission via software-defined radio modules at 5 GHz (Long-Term Evolution).
  • Holographic image reconstruction using programmable coding metasurfaces at 12 GHz and modified Gerchberg-Saxton algorithm.

Main Results:

  • Successful demonstration of the optical information to electromagnetic information conversion concept.
  • Real-time wavefront manipulation achieved through an intelligent holographic communication scheme.
  • Validation of near-field communication potential based on adaptive electric field patterns.

Conclusions:

  • The proposed strategy enables on-demand holographic communication by converting optical data into dynamic electromagnetic signals.
  • This approach advances adaptive electromagnetic functions and real-time wavefront control.
  • Opens new avenues for near-field communication utilizing programmable metasurfaces and intelligent algorithms.