7 papers
Coherent Control of Quantum and Classical Correlations in Photoionization
Axel Stenquist, Jan Marcus Dahlström
The ability to control quantum correlations in strongly driven systems is a central challenge across quantum science, with implications for ultrafast dynamics, quantum control, and…
Photoelectron spectroscopy with a resonant dichromatic field: Role of geometric phase
Evan Munaro-Langloÿs, Axel Stenquist, Jan Marcus Dahlström
We investigate geometric-phase control in resonantly driven two-level atoms exposed to near-degenerate dichromatic laser pulses. In contrast to conventional two-color schemes based…
Coherent phonon motions and ordered vacancy compound mediated quantum path interference in Cu-poor CuInGaSe (CIGS) with attosecond transient absorption
Hugo Laurell, Jonah R. Adelman, Elizaveta Yakovleva +7
In this study, coherent phonon motion is observed in bandgap excited CuInGaSe (CIGS) utilizing extreme ultraviolet (XUV) attosecond transient absorption spectro…
Entanglement Transfer in a Composite Electron-Ion-Photon System
Axel Stenquist, Jakob Nicolai Bruhnke, Felipe Zapata +1
We study how entanglement in photoionization is transferred from an electron-ion pair to an electron-photon pair by fluorescence. Time-resolved von Neumann entropies are used to es…
Mollow-like triplets in ultra-fast resonant absorption
Axel Stenquist, Felipe Zapata, Edvin Olofsson +5
We show that resonant absorption of smooth laser fields can yield Mollow-like triplet patterns. General conditions for such triplets are derived and illustrated with a super-Gaussi…
Giant counter-rotating oscillations on the attosecond timescale
Jakob Nicolai Bruhnke, Edvin Olofsson, Axel Stenquist +1
We predict an unexplored type of ultrastrong coupling between atoms and intense ultraviolet light that leads to giant population oscillations on the attosecond timescale. These cou…