US Patent Issued to Cable Television Laboratories on May 19 for "Optical frequency comb based coherent phase recovery simplification" (Colorado, Washington Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,107, issued on May 19, was assigned to Cable Television Laboratories Inc. (Louisville, Colo.).

"Optical frequency comb based coherent phase recovery simplification" was invented by Haipeng Zhang (Broomfield, Colo.), Luis Alberto Campos (Superior, Colo.), Junwen Zhang (Broomfield, Colo.), Mu Xu (Shoreline, Wash.) and Zhensheng Jia (Superior, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Coherent phase recovery method includes producing, with a transmit-side frequency-comb source, a first frequency-comb signal that includes a pilot tone and a first optical tone having a first center wavelength that differs from a pilot center wavelength of the p...