ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,916, issued on Jan. 13, was assigned to Kyoto University (Kyoto, Japan).
"Quantum absorption spectroscopy system" was invented by Shigeki Takeuchi (Kyoto, Japan), Hideaki Takashima (Kyoto, Japan) and Yu Mukai (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum absorption spectroscopy system (1) includes a pump light source (11), a quantum interferometer (21), and a spectroscope (31). The pump light source (11) emits pump light. The quantum interferometer (21) causes quantum interference between a plurality of physical processes in which a quantum entanglement photon pair of a signal photon and an idler photon is generated through ...