Two-dimensional optical phased array
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United States of America Patent
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Apr 28, 2020
Grant Date -
Feb 8, 2018
app pub date -
Aug 2, 2017
filing date -
Aug 2, 2016
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Abstract
An optical device includes an array of unit optical elements. Each of the unit optical elements includes a plurality of amplitude adjustment (AA) elements, each of the plurality of AA elements configured for processing one of different phases of an optical signal; an optical antenna, and a combining mechanism for optically coupling the plurality of AA elements to the optical antenna. The optical device also includes a controller coupled to the plurality of AA elements, the controller configured for generating control signals for the plurality of AA elements according to a target optical beam pattern.
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