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This research demonstrates imaging and beamforming with a quantum phased array in silicon photonics, suggesting a new frontier for optical technologies.
We demonstrate a quantum analog of electromagnetic phased arrays with more than 1,000 functional components integrated on a silicon photonic chip. With an array of 32 metamaterial antennas and 32 quantum-limited coherent receivers employing homodyne detection, we perform imaging, beamforming and beamsteering with squeezed light over free space.
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Gurses et al. (2025) studied this question.
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