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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Dispersion-Diversity Multicore Fiber Signal Processing.

Sergi García1, Mario Ureña1, Ivana Gasulla1

  • 1ITEAM Research Institute, Universitat Politècnica de València, Valencia, 46022, Spain.

ACS Photonics
|August 23, 2022
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This summary is machine-generated.

Researchers developed a novel multicore optical fiber for advanced signal processing. This dispersion-diverse heterogeneous fiber enables reconfigurable 2D signal management, enhancing applications like microwave filtering.

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Area of Science:

  • Optical Engineering
  • Materials Science
  • Signal Processing

Background:

  • Multicore optical fibers offer enhanced capabilities beyond high-capacity communication networks.
  • They introduce space and chromatic dispersion as new degrees of freedom for optical and microwave signal processing.
  • Tailored refractive index profiles in individual cores are crucial for parallel dispersion-diversity signal processing.

Purpose of the Study:

  • To experimentally demonstrate reconfigurable two-dimensional dispersion-managed signal processing.
  • To introduce a novel dispersion-diversity heterogeneous multicore fiber for advanced signal processing applications.
  • To showcase the potential of this technology in various fields including communication, sensing, and imaging.

Main Methods:

  • Development of a novel heterogeneous multicore fiber with seven distinct trench-assisted cores.
  • Each core features a unique refractive index profile, varying in radial geometry and dopant concentration.
  • Experimental validation of reconfigurable two-dimensional dispersion management for signal processing.

Main Results:

  • Successful demonstration of reconfigurable two-dimensional dispersion-managed signal processing.
  • The novel fiber enables parallel dispersion-diversity signal processing.
  • A representative application demonstrated reconfigurable microwave signal filtering with enhanced compactness and versatility.

Conclusions:

  • The developed dispersion-diversity heterogeneous multicore fiber represents a significant advancement in optical and microwave signal processing.
  • This technology offers unprecedented flexibility and performance for applications requiring parallel dispersion management.
  • The findings pave the way for next-generation communication systems, advanced sensing, and novel optical computing paradigms.