Teams at the University of Southern Denmark, Arhaus University, and the University of Maryland’s Joint Quantum Institute have demonstrated the ability to subtract a photon of light from a laser beam. A unique property of light is its non-interaction with other photons as they pass through one-another. This property benefits quantum communication with high-success rates of transmission over long distances with encoded data. The study’s goal is to manipulate photons using other photons; causing photons to interact with one-another. The benefit lays within photon-photon interaction as it pertains to quantum information science. The team admits there is much study to complete to fully understand these interactions.