2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93889It seems that the problem of finding a suitable position operator for photon has been solved in a recently published work which is based on a new commutation relation between position and momentum operators of massless particles[1]. Although the authors of [1] have presented a classical reasoning in favour of the new commutator,here we are going to find this new commutator based on a quantum mechanical argument.6pages LaTeXQuantum Physicstext