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Photonic crystal horn and array antennas.

Andrew R Weily1, Karu P Esselle, Barry C Sanders

  • 1Department of Electronics, Macquarie University, Sydney, NSW 2109, Australia.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|August 26, 2003
PubMed
Summary

We developed a novel defect-based horn antenna in a 2D photonic crystal, achieving efficient, directional signal transmission with broad bandwidth and scalability. This photonic crystal antenna can be integrated into arrays for advanced applications.

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Area of Science:

  • Photonics
  • Electromagnetics
  • Antenna Engineering

Background:

  • Photonic crystals offer unique light manipulation properties.
  • Horn antennas are essential for directional wave transmission.
  • Integrating antennas with photonic circuits is a key challenge.

Purpose of the Study:

  • To introduce and demonstrate a defect-based horn antenna within a 2D photonic crystal.
  • To evaluate the antenna's performance characteristics, including directivity, bandwidth, and loss.
  • To explore the feasibility of using these antennas in integrated array configurations.

Main Methods:

  • Numerical simulations were employed to design and analyze the photonic crystal horn antenna.
  • The antenna's performance was assessed across a range of electromagnetic spectrum frequencies.

Related Experiment Videos

  • An array configuration utilizing photonic crystal waveguide circuits for feeding was simulated.

    • Main Results:

    • The defect-based horn antenna exhibited efficient and highly directional radiation patterns.
    • The antenna demonstrated a large operating bandwidth and low signal loss.
    • Scalable operating frequencies were achieved, adaptable to different spectral regions.
    • Successful integration into a photonic crystal array with a waveguide feed network was shown.
    • The array configuration maintained high directivity and compact size.

    Conclusions:

    • The defect-based horn antenna in a 2D photonic crystal is an efficient and scalable solution for directional transmission.
    • Photonic crystal waveguide circuits enable integrated feed networks for antenna arrays.
    • This technology offers a compact and high-performance platform for advanced photonic devices.