US Patent Issued to Marvell Asia on June 23 for "Comb laser" (Canadian, American Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,391, issued on June 23, was assigned to Marvell Asia Pte Ltd (Singapore).

"Comb laser" was invented by Xiaoguang He (Diamond Bar, Calif.), Charles Chih-Chin Lin (Kanata, Canada), Samira Karimelahi (Los Gatos, Calif.), Masaki Kato (Palo Alto, Calif.) and Radhakrishnan Nagarajan (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optoelectronic device includes a reflective semiconductor optical amplifier (RSOA), which includes a gain medium to amplify laser radiation within a given gain band, a first reflector at a first end of the gain medium, and a waveguide coupled to convey the laser radiation into and out of a second end of the...