Covalent organic frameworks (COFs) represent an important class of crystalline porous
materials with designable structures and functions. The interconnected organic monomers …

Ultrafast optical microscopy, generally employed by incorporating ultrafast laser pulses into
microscopes, can provide spatially resolved mechanistic insight into scientific problems …

Tracking electron motion in molecules is the key to understanding and controlling chemical
transformations. Contemporary techniques in attosecond science are able to generate and …

The generation and direct time-domain sampling of ultrashort and ultra-broadband laser
pulses are at the forefront of time-resolved spectroscopy and attosecond science. Although …

Quantum coherent physics and chemistry concern the creation and manipulation of an
excited-state manifold that contains the superposition and entanglement of multiple quantum …

Coherent phonon spectroscopy can provide microscopic insight into ultrafast lattice
dynamics and its coupling to other degrees of freedom under nonequilibrium conditions …

The motion of atoms is at the heart of any chemical or structural transformation in molecules
and materials. Upon activation of this motion by an external source, several (usually many) …

We report the manipulation of ultrafast quantum coherence of a two-level single hydrogen
molecular system by employing static electric field from the sample bias in a femtosecond …

Many fundamental processes in nature occur on ultrashort time scales within picoseconds to
attoseconds, and on intrinsic length scales from nanometers to picometers. The structure of …

Efficient operation of electronic nanodevices at ultrafast speeds requires understanding and
control of the currents generated by femtosecond bursts of light. Ultrafast laser-induced …