ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,074, issued on May 27, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).
"Optical transmitter" was invented by Takahiko Shindo (Musashino, Japan), Meishin Chin (Musashino, Japan) and Shigeru Kanazawa (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In the present disclosure, in an EADFB laser in which an SOA has been integrated, a new configuration in which a problem of deterioration of optical waveform quality and insufficient optical output is solved or mitigated while taking advantage of characteristics that the same layer structure can be used and a manufacturing process can be simplified is shown. In an optical trans...