2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89647We describe a simple scheme for implementing the non-linear sign gate of Knill, Laflamme and Milburn (Nature, {\bf 409}, 46-52, Jan. 4 (2001)) which forms the basis of an experiment underway at the University of Vienna.1 page (incl 1 figure)Quantum Physicstext