ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,326, issued on Sept. 30, was assigned to Axalume Inc. (San Diego).
"On-chip opto-digital wavelength meter" was invented by Yossef Ehrlichman (San Diego), Vinod Krishnamoorthy (San Diego) and Ashok V. Krishnamoorthy (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit that includes a wavelength meter is described. This integrated circuit may include: a set of interferometers having integer multiples of a phase or a delay, where the set of interferometers provide outputs corresponding to a range from an MSB to an LSB of a wavelength in an optical signal. For example, the set of interferometers may include MZIs or ring reson...