title: Optical three dimensional coherent spectroscopy.
abstract: Optical multdimensional coherent spectroscopy has recently been the subject of significant activity. While two-dimensional spectroscopy is most common, it is possible to extend the method into three dimensions. This perspective reviews the different approaches to three-dimensional spectroscopy and the systems that have been studied with it. The advantages of adding an additional dimension are discussed and compared to the resulting experimental challenges.
authors.affiliation: JILA, National Institute of Standards and Technology & University of Colorado, Boulder, Colorado, 80309-0440 USA. cundiff@jila.colorado.edu.
authors.forename: Steven T
authors.initials: ST
authors.lastname: Cundiff