US Patent Issued to CIENA on Nov. 18 for "In-phase (I) / quadrature (Q) correlation dither for modulator quadrature control" (Canadian Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,711, issued on Nov. 18, was assigned to CIENA Corp. (Hanover, Md.).

"In-phase (I) / quadrature (Q) correlation dither for modulator quadrature control" was invented by Shahab Oveis Gharan (Ottawa), Yves Beaulieu (Nepean, Canada), Douglas McGhan (Ottawa) and Kim Byron Roberts (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, obtaining two inputs xI and xQ based on a digital input signal, and causing a modulator to create two substantially orthogonal output dimensions I and Q based on the two inputs xI and xQ, by performing controlled introduction of a correlation between the two inputs ...