2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86018Connection between the concept of entanglement and origin of nonlinear phenomena in optics is discussed.3 pages LaTeX2e, 1 PS figureOpticsHigh Energy Physics - PhenomenologyPattern Formation and SolitonsGeneral PhysicsQuantum PhysicsEntanglement and inequality of forward and reversed processes as a physical base of nonlinear phenomena in opticstext