ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,970, issued on Feb. 10, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).
"Blind pump laser detection" was invented by Zhiqian Zhu (Shanghai), Ian Peter McClean (Brixham, Great Britain), Yongjun Fu (Shanghai) and Yongshi Gu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An EDFA may include an input photodiode configured to generate a control signal based on an input signal. The EDFA may include a blind stage configured to generate an amplified signal based on the control signal and the input signal. The EDFA may include a non-blind stage configured to generate an output signal based on the amplified signal within the blind stage, the...