US Patent Issued to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY on Oct. 21 for "Method and apparatus for correcting optical waveform distortion and optical signal receiving apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,964, issued on Oct. 21, was assigned to NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Tokyo).

"Method and apparatus for correcting optical waveform distortion and optical signal receiving apparatus" was invented by Takashi Inoue (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This method includes optimizing, by a gradient descent method, a first parameter used in back propagation processing and associated with XPM and a second parameter used in the back propagation processing and associated with SPM and XPM, wherein the back propagation processing is processing to estimate a waveform at a time of transmission by al...