title: Quantum interference in organic solid.
abstract: We demonstrate high contrast quantum interference between one-photon and three-photon absorption pathways in an organic solid at room temperature. Illumination of a thin polymer film activated with fluorescing dendrimer chromophores of large three photon absorption cross section with two simultaneous femtosecond pulses at near-IR frequency omega and its third harmonic UV frequency 3omega results in a spatial interference fringe pattern observable by eye.
authors.forename: Aleksander
authors.initials: A
authors.lastname: Rebane
authors.forename: Niklas
authors.initials: N
authors.lastname: Christensson
authors.forename: Mikhail
authors.initials: M
authors.lastname: Drobizhev
authors.forename: Yuriy
authors.initials: Y
authors.lastname: Stepanenko
authors.forename: Charles
authors.initials: C
authors.lastname: Spangler