ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,422, issued on Feb. 3, was assigned to NTT Inc. (Tokyo).
"Optical transmitter" was invented by Meishin Chin (Musashino, Japan), Takahiko Shindo (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 deterioration of optical waveform quality is solved or mitigated while keeping characteristics that a manufacturing process can be simplified by using the same layer structure is indicated. In the optical transmitter of the present disclosure, a waveguide structure having a tapered structure in at...