US Patent Issued to FURUKAWA ELECTRIC on Dec. 9 for "Wavelength-tunable laser device and wavelength control method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,620, issued on Dec. 9, was assigned to FURUKAWA ELECTRIC Co. LTD. (Tokyo).

"Wavelength-tunable laser device and wavelength control method" was invented by Masanaga Tanaka (Tokyo), Masayoshi Kimura (Tokyo) and Akihisa Kondo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength-tunable laser device includes: a wavelength-tunable light source part; an optical filter; a light receiving element; and a control device. Further, the control device includes: a monitor value calculating part configured to calculate a monitor value; a storage part configured to store wavelength control information; a target value calculating part configured to calc...