ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,034, issued on Sept. 23, was assigned to AdamanT Quanta AB (Lund, Sweden).

"Diamond-based atomic clock" was invented by Haitham El-Ella (Malmo, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "An atomic clock device has a diamond-based structure with nitrogen-vacancy defects and nitrogen-vacancy clusters, at least one light emitting diode to illuminate the diamond-based structure, a microwave pump generator to generate a microwave pump signal, a microwave probe generator to generate a pulsed microwave probe signal, a radiofrequency pump generator to generate a radiofrequency pump signal, a radiofrequency probe generator to generate a pulsed ra...