Attosecond and High-Order Harmonic Generation and Measurement, Atomic and Molecular Physics.- Sub-100-as soft x-ray pulses.- Generation of High-order Harmonics with a Near-IR Self-phase-stabilized Parametric Source.- Quasi-Phase-Matched High-Order Harmonic Generation in the Soft-X-ray Regime.- Phase Matching and Quasi-Phase Matching of Extreme High-Order Harmonic Generation.- Comparison of Parallel and Perpendicular Polarized Counterpropagating Light for Quasi-Phase-Matching High Harmonic Generation.- Enhanced Harmonic Generation in Gas Jets with Expanding Clusters.- Observation of Elliptically Polarized High Harmonic Emission from Molecules Driven by Linearly Polarized Light.- Polarization-Resolved Pump-Probe Spectroscopy with High Order Harmonics.- Study of quantum-path interferences in the high harmonic generation process.- Interference Patterns in the Wavelength Dependence of High-Harmonic Generation.- Generation of Polarization-Shaped Ultraviolet Femtosecond Pulses.- All-Optical Quasi-Phase Matching and Quantum Path Selection of High-Order Harmonic Generation at 140 eV Using Counterpropagating Light.- Ultrafast Molecular and Materials Dynamics probed by Coherent X-Rays.- Plasma-Blue-Shift Spectral Shear Interferometry for Characterization of Ultimately short Optical Pulses.- Spatially resolved Ar and Ar+ imaging as a diagnostic for capillary based high harmonic generation.- Internal Momentum State Mapping using High Harmonic Radiation.- Attosecond control of electron localization in one- and two-color dissociative ionization of H and D.- Simultaneous Description of Electron and Nuclear Dynamics: A Quantum Approach for Multi-Electron Systems.- Attosecond Photoelectron Spectroscopy of Electron Tunneling in Dissociating Hydrogen Molecular Ion.- Attosecond angular streaking: an ideal technique to measure an electron tunneling time?.- Probing Dynamics in Polyatomic Molecules Using High Harmonic Generation: the Role of Ionization Continua.- High harmonic generation from multiple molecular orbitals of N.- Ultrafast Multiphoton Crystallography.- Direct Measurement of Angle-Dependent Single Photon Ionization of N and CO.- Field-free unidirectional molecular rotation.- Attosecond coincidence spectroscopy of diatomic molecules.- Real-time Evolution of the Valence Orbitals in a Dissociating Molecule as Revealed by Femtosecond Photoelectron Spectroscopy.- Transient Waveguiding in a Rotationally Excited Molecular Gas.- Molecular Recollision Interferometry in High Harmonic Generation.- Multi-Electron Dynamics in Molecular High Harmonic Generation.- Probing the dynamics of plasma mirrors on the attosecond time scale.- Shaping Entangled Photon Pairs.- Ultrafast X-ray and Electron Science.- Ultrafast Structural Dynamics of Polar Solids Studied by Femtosecond X-Ray Diffraction.- Atomic Motion in Laser Excited Bismuth Studied with Femtosecond X-Ray Diffraction.- Femtosecond X-ray Diffraction Study of the Ultrafast Coupling between Magnetization and Structure in the Ferromagnet SrRuO.- Electron-Phonon Energy Transfer in Bismuth Observed by Ultrafast Electron Diffraction.- Atomic View of the Photoinduced Collapse of Gold and Bismuth.- Four-dimensional Visualization of Transitional Structures in Phase Transformations by Electron Diffraction.- Ultrashort soft x-ray pulses from a femtosecond slicing source for time-resolved laser pump- x-ray probe experiments.- Femtosecond X-Ray Absorption Spectroscopy of a Photoinduced Spin-Crossover Process.- Probing Reaction Dynamics of Transition-Metal Complexes via Time-Resolved Soft X-ray Spectroscopy.- Sub-20-fs Optical Pump-X-ray Probe Spectroscopy beyond the Si K Edge.- Capturing Transient Solute Structures in Solution by Pulsed X-ray Diffraction.- Structural kinetics in protein-coated gold nanoparticles probed by time-resolved x-ray scattering.- X-ray induced transient optical reflectivity for fs-X-ray/optical cross-correlation at Free-Electron Lasers.- Autocorrelation Experiments with Soft X-ray FEL Pu