US Patent Issued to Ciena on Feb. 3 for "Managing back-side processing of photonic integrated circuits" (Canadian Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,059, issued on Feb. 3, was assigned to Ciena Corp. (Hanover, Md.).

"Managing back-side processing of photonic integrated circuits" was invented by Charles Baudot (Quebec, Canada), Alexandre D. Simard (Quebec, Canada), Elnaz Afsharipour (Quebec, Canada) and Jonathan Cauchon (Levis, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An article of manufacture comprises a bottom volume comprising a first region composed of a first material characterized by a first index of refraction (IOR) and having a first thickness, and thinned regions in which a portion of the first material is absent or has a thickness less than the first thickness; a middle volu...