title: Comment on "Enhancement of Second-Order Nonlinear-Optical Signals by Optical Stimulation".
authors.affiliation: Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
authors.forename: Maksim
authors.initials: M
authors.lastname: Grechko
authors.affiliation: Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
authors.forename: Grazia
authors.initials: G
authors.lastname: Gonella
authors.affiliation: Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
authors.forename: Mischa
authors.initials: M
authors.lastname: Bonn