2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154363We demonstrate a quantum interference experiment between two photons coming from non-degenerate pairs created by four-wave mixing in two separated micro-structured fibres. When the two heralded photons are made indistinguishable a 95% visibility is demonstrated.14 pages, 9 figuresQuantum Physicstext