US Patent Issued to NTT on July 21 for "Multi-channel optical module" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,732, issued on July 21, was assigned to NTT Inc. (Tokyo).

"Multi-channel optical module" was invented by Shigeru Kanazawa (Musashino, Japan), Yasuhiko Nakanishi (Musashino, Japan), Takahiko Shindo (Musashino, Japan) and Meishin Chin (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Crosstalk between adjacent channels is suppressed when monitoring optical output power. A multi-channel optical module for multiplexing and outputting a plurality of wavelength channels, which includes a plurality of light sources each having a different wavelength, a plurality of collimator lenses coupled to the respective outputs of the plurality of light...