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Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael R. Watts0
Erman Timurdogan0
Christopher Vincent Poulton0
Ehsan Shah Hosseini0
Date of Patent
October 16, 2018
0Patent Application Number
154994220
Date Filed
April 27, 2017
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An optical device may include at least two waveguides with different propagation constants. Each waveguide is associated with a grating antenna with a grating period selected to emit light at the same emission angle despite the different propagation constants. Each waveguide may be part of an optical path that includes phase shifters. Additionally, the waveguides may be formed in a waveguide layer that is separate from a perturbation layer in which the grating antennas as formed.
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