US Patent Issued to CISCO TECHNOLOGY on July 29 for "Multimode waveguide with adiabatic TE0 mode add/drop filter" (Pennsylvania Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,722, issued on July 29, was assigned to CISCO TECHNOLOGY INC. (San Jose, Calif.).

"Multimode waveguide with adiabatic TE0 mode add/drop filter" was invented by Jean-Luc Joseph Tambasco (Macungie, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device and method are provided. The device includes a bus waveguide having a longitudinal axis, a lower waveguide disposed on a first side of the bus waveguide, and an upper waveguide disposed on a second side of the bus waveguide opposite to the first side of the bus waveguide, wherein the upper waveguide substantially matches a path of the lower waveguide. The method includes receiving a TE1 mode optica...