Article-Journal

Fieldoscopy at the quantum limit

We demonstrate a novel concept for measuring time-varying electric field transients of petahertz-scale photons down to a single-photon regime. We observe a clear breakdown of the …

Dmitry a. zimin

Sensitivity Enhancement in Photoconductive Light Field Sampling

The emerging field of lightwave electronics is driving optoelectronic information processing beyond current classical limitations and has the potential to eventually reach …

Najd altwaijry

Dynamic optical response of solids following 1-fs-scale photoinjection

Photoinjection of charge carriers profoundly changes the properties of a solid. This manipulation enables ultrafast measurements, such as electric-field sampling, advanced recently …

Dmitry a. zimin

Ultra-broadband all-optical sampling of optical waveforms

Optical-field sampling techniques provide direct access to the electric field of visible and near-infrared light. The existing methods achieve the necessary bandwidth using highly …

Dmitry a. zimin

The speed limit of optoelectronics

Light-field driven charge motion links semiconductor technology to electric fields with attosecond temporal control. Motivated by ultimate-speed electron-based signal processing, …

M. ossiander

Electro-optic characterization of synthesized infrared-visible light fields

The measurement and control of light field oscillations enable the study of ultrafast phenomena on sub-cycle time scales. Electro-optic sampling (EOS) is a powerful field …

Enrico ridente

The emergence of macroscopic currents in photoconductive sampling of optical fields

Photoconductive field sampling enables petahertz-domain optoelectronic applications that advance our understanding of light-matter interaction. Despite the growing importance of …

Johannes schotz

Optical Gain in Solids after Ultrafast Strong-Field Excitation

Multiphoton excitation of a solid by a few-cycle, intense laser pulse forms a very nonequilibrium distribution of charge carriers, where occupation probabilities do not necessarily …

Muhammad qasim

Onset of charge interaction in strong‐field photoemission from nanometric needle tips

Strong-field photoemission from nanostructures and the associated temporally modulated currents play a key role in the development of ultrafast vacuum optoelectronics. Optical …

Johannes schotz

Petahertz-scale nonlinear photoconductive sampling in air

The electric field waveform of a light field can be used to unlock a detailed recording of its interaction with matter, but accessing it requires a measurement with subfemtosecond …

Dmitry zimin