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Area of Science:

  • Physics
  • Electrical Engineering
  • Optics

Background:

  • Terahertz (THz) wireless communications require novel components for wave routing.
  • Efficient power splitting is crucial for developing THz communication systems.

Purpose of the Study:

  • To demonstrate a novel power splitting router for THz waves.
  • To achieve precise control over THz power distribution in output channels.

Main Methods:

  • Utilized a parallel-plate waveguide (PPWG) T-junction excited by the TE1 mode.
  • Integrated a triangular septum to control THz wave direction and power splitting ratios.
  • Validated results through experimental measurements and simulations.

Main Results:

  • Achieved precise control over the power splitting ratio by translating the septum.
  • Demonstrated nearly 100% transmission efficiency.
  • Observed good agreement between experimental and simulated amplitude and phase.
  • The router operates effectively across the single-mode bandwidth of the waveguide.

Conclusions:

  • The demonstrated septum-controlled PPWG T-junction is a sensitive and broadband solution for THz power splitting.
  • This device is a key enabler for the advancement of THz wireless communication technologies.