PHASED-GRATING-ANTENNA-ARRAY OPTOELECTRONIC EMITTER IN WHICH EACH OPTICAL ANTENNA HAS A LARGE EMISSION AREA
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United States of America
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Feb 6, 2025
app pub date -
Dec 9, 2022
filing date -
Dec 9, 2022
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The invention relates to an optoelectronic emitter comprising a plurality of optical antennas, each comprising: a laterally emitting guiding structure formed from an injection waveguide and from a lateral diffraction grating configured to extract an optical mode in a horizontal plane; and a vertically emitting guiding structure formed from an emission waveguide configured to receive an optical mode extracted by the diffraction grating, and from a vertical diffraction grating configured to extract to free space an optical mode travelling through the emission waveguide.
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