ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,600, issued on May 6, was assigned to The United States of America as represented by the Secretary of the Army (Washington).

"Control of resonant optical evanescent coupling between waveguides and resonators" was invented by Dashiell L. Vitullo (Rockville, Md.), Daniel E. Jones (Nottingham, Md.), Michael Brodsky (Millburn, N.J.), Michael Sumetsky (Birmingham, Great Britain) and Sajid Zaki (Birmingham, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments are directed to systems, apparatus and methods for characterizing evanescent coupling parameters of a waveguide coupled to a resonator through variation of their relative ...