2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91409In this work we establish a link between two apparently unrelated subjects: polarization effects in optical fibers and devices, and the quantum theory of weak measurements. We show that the abstract concept of weak measurements followed by post-selection, introduced a decade ago by quantum theorists, naturally appears in the everyday physics of telecom networks.extended version of quant-ph/0306108, diploma thesisQuantum Physicstext