US Patent Issued to Meta Platforms Technologies on Nov. 25 for "Active modulation of the refractive index in photonic integrated circuits via charge injection" (Washington Inventors)

Posted On: 2025-11-25

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,099, issued on Nov. 25, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Active modulation of the refractive index in photonic integrated circuits via charge injection" was invented by Lafe Joseph Purvis II (Redmond, Wash.), Tingling Rao (Bellevue, Wash.), Andrew John Ouderkirk (Kirkland, Wash.), Arman Boromand (Issaquah, Wash.), Kimberly Kay Childress (Duvall, Wash.), Ehsan Vadiee (Bothell, Wash.), Namseok Park (Issaquah, Wash.) and Poer Sung (Woodinville, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photonic integrated circuit (PIC) includes an organic solid crystal (OSC) material layer, the OSC material layer havin...

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US Patent Issued to Meta Platforms Technologies on Nov. 25 for "Active modulation of the refractive index in photonic integrated circuits via charge injection" (Washington Inventors)