US Patent Issued to Huawei Technologies on Dec. 2 for "Diffractive optical element and terminal device" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,381, issued on Dec. 2, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Diffractive optical element and terminal device" was invented by Zhanshi Yao (Shenzhen, China), Rui Guo (Shenzhen, China) and Xiaolu Song (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example diffractive optical elements and terminal devices are disclosed. One example diffractive optical element includes grating components periodically distributed in a first dimension. The grating component includes N optical waveguides. The N optical waveguides include M optical waveguides that periodically change in a second dimension. At least two of the M opt...