US Patent Issued to II-VI DELAWARE on July 1 for "Tunable optical wedge for reducing crosstalk in wavelength selective switch" (California, Delaware Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,998, issued on July 1, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).

"Tunable optical wedge for reducing crosstalk in wavelength selective switch" was invented by Helen Chen (Cupertino, Calif.), Guomin Jiang (Wilmington, Del.), Tom Li (Wilmington, Del.), Lawrence Wang (Wilmington, Del.) and Jim Yuan (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a wavelength selective switch, an input port transmits an input beam, and diffraction grating disperses the input beam into optical channels. A liquid-crystal-on-silicon (LCoS) switch assembly has a phase grating profile and has addressable pixels, which are liquid crystal based...