An array of more than 4,000 optical antennas working in unison has been demonstrated on a millimetre-scale silicon chip. The result highlights the remarkable capabilities of optical integration in silicon. See Letter p.195
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Krauss, T. Phased array on a fingertip. Nature 493, 170–171 (2013). https://doi.org/10.1038/493170a
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DOI: https://doi.org/10.1038/493170a
