US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Jan. 13 for "Electroabsorption modulated laser" (British Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,765, issued on Jan. 13, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Electroabsorption modulated laser" was invented by Xin Chen (Ipswich, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electroabsorption modulated laser having a first face, a second face, an optical cavity and an active region, the optical cavity being defined by a semiconductor substrate and having a length extending between the first face and the second face, and the active region being configured for injection of charge into the cavity and having effective bandgap energies at respective distances along the length of the cavity, the electroabs...