title: Linear and Nonlinear Optical Properties of Photochromic Molecules and Materials.
authors.affiliation: Laboratoire de Photophysique et de Photochimie Supramoléculaires et Macromoléculaires (PPSM, UMR 8531 of CNRS), Ecole Normale Supérieure de Cachan, 94235 Cachan Cedex, France.
authors.forename: Jacques A.
authors.initials: JA
authors.lastname: Delaire
authors.forename: Keitaro
authors.initials: K
authors.lastname: Nakatani