US Patent Issued to Telefonaktiebolaget LM Ericsson on Sept. 9 for "Photonic chip with edge coupler and method of manufacture" (Italian Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,265, issued on Sept. 9, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Photonic chip with edge coupler and method of manufacture" was invented by Gabriele De Angelis (Pisa, Italy), Stefano Tirelli (Pisa, Italy), Marco Romagnoli (Pisa, Italy) and Alessandra Bigongiari (Pisa, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photonic chip is disclosed that comprises a cladding material and an edge coupler. The edge coupler comprises a composite guiding structure that comprises a plurality of substantially parallel planar layers of optical guiding material. Each layer of the composite guiding structure extends into the cladd...