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Photonic beamforming by shifting the optical phase of one of the two local oscillators in a photomixing setup is a viable candidate for beamforming in terahertz frequency transmitters due to its seamless integration with terahertz generation by photomixing. Compared to the more common true time delay approach photonic beamforming is famous for, this concept has the advantage that the optical phase...
Among all concepts for beamforming in terahertz frequency transmitters, those based on a photonic approach are particularly interesting, given the possibility of terahertz generation by photomixing. By moving the power distribution as well as phase and amplitude adjustment network of a photodetector-fed array from the electrical into the optical domain, antenna design is greatly simplified and better...
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