title: Quadratic spatial soliton generation by seeded downconversion of a strong harmonic pump beam.
abstract: Two-dimensional quadratic spatial solitons were generated experimentally near phase-matching conditions for type II frequency doubling in KTP by the seeding of a strong second-harmonic field with a weak input at the fundamental wavelength. The self-trapped beams were shown to be insensitive to the energy, phase, and polarization of the fundamental-frequency seed input beam.
authors.affiliation: Center for Research and Education in Optics and Lasers, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816-2700, USA.
authors.forename: M T
authors.initials: MT
authors.lastname: Canva
authors.forename: R A
authors.initials: RA
authors.lastname: Fuerst
authors.forename: S
authors.initials: S
authors.lastname: Baboiu
authors.forename: G I
authors.initials: GI
authors.lastname: Stegeman
authors.forename: G
authors.initials: G
authors.lastname: Assanto