Petahertz, or lightwave, electronics uses tailored optical waveforms to control charge
carriers in an electronic circuit at petahertz frequencies. This may enable faster processing …

Measuring transient optical fields is pivotal not only for understanding ultrafast phenomena
but also for the quantitative detection of various molecular species in a sample. Here we …

The fundamental understanding of quantum dynamics in advanced materials requires
precise characterization at the limit of spatiotemporal resolution. Ultrafast scanning tunneling …

Attosecond observations of coherent electron dynamics in molecules and nanostructures
can be achieved by combining conventional scanning tunneling microscopy (STM) with …