ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,727, issued on Nov. 4, was assigned to Ciena Corp. (Hanover, Md.).
"Tunable optical filter in coherent optical transmitters" was invented by Michael Hubbard (Nepean, Canada), Will Leckie (Ottawa), Victor Aldea (Nepean, Canada) and Priyanth Mehta (Nepean, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coherent optical transmitter includes circuitry connected to a coherent modulator; and a plurality of tunable optical filters (TOFs) connected to one another and connected to an output of the coherent modulator, wherein the plurality of tunable optical filters are configurable to create an effective transfer function having a variable width. The...