2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217105Single photon states with arbitrarily fast asymptotic power-law fall-off of energy density and photodetection rate are explicitly constructed. This goes beyond the recently discovered tenth power-law of the Hellwarth-Nouchi photon which itself superseded the long-standing seventh power-law of the Amrein photon.7 pages, tex, no figuresQuantum Physicstext