ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,056, issued on Feb. 3, was assigned to DENSELIGHT SEMICONDUCTORS PTE LTD (Singapore).
"Mode field adapter for optical coupling of waveguides" was invented by Ter Hoe Loh (Singapore) and Yee Loy Lam (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mode field adapter (MFA) is disclosed. The MFA is tapered and includes a passive core region and an active core region separated by a distance. Further, the passive core region includes first and second passive layers that are separated by another distance. The MFA is configured to receive an optical signal from a first waveguide, and alter, for transmission to a second waveguide, an optical mode ...