2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89171In the paper [1], authors claim that the scheme for entanglement swapping using an acoustic-optical modulator [2] is flaw. In this reply, we show there is a trivial mistake in the scheme [2], but the main conclusion is still correct, that is, the acoustic-optical modulator can be used to manipulate the frequency-entangled state.4 pagesQuantum Physicstext