ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,745, issued on May 26, was assigned to California Institute of Technology (Pasadena, Calif.).

"Entangled photon source that can replace a pulsed laser in non-ablative multiphoton and nonlinear processes" was invented by Scott K. Cushing (Glendale, Calif.), Szilard Szoke (Pasadena, Calif.), Manni He (Pasadena, Calif.) and Bryce P. Hickam (Pasadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coherent, entangled photon source which uses a continuous wave laser to replace pulsed photon excitation sources in multiphoton nonlinear processes. In various embodiments, the device comprises a continuous wave photon laser creating electromagnetic ra...