US Patent Issued to NINGXIA UNIVERSITY on Dec. 9 for "Acousto-optic modulators enhanced by sub-wavelength acoustic waveguide" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,205, issued on Dec. 9, was assigned to NINGXIA UNIVERSITY (Yinchuan, China).

"Acousto-optic modulators enhanced by sub-wavelength acoustic waveguide" was invented by Lei Wan (Yinchuan, China), Huilong Liu (Yinchuan, China), Yuping Chen (Yinchuan, China) and Huipeng Chen (Yinchuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acousto-optic modulator enhanced by a sub-wavelength acoustic waveguide is provided. The acousto-optic modulator comprising: a substrate, wherein the substrate includes a sapphire underlayment and a silicon dioxide layer disposed on the sapphire underlayment; the substrate further including a lithium niobate thin film,...