Control of free electron wave packets by polarization-tailored ultrashort bichromatic laser fields

S Kerbstadt, K Eickhoff, T Bayer… - Advances in Physics …, 2019 - Taylor & Francis
We review recent advances in the generation of polarization-tailored ultrashort bichromatic
laser fields and their application to the coherent control of ultrafast photoionization …

Helicity-selective enhancement and polarization control of attosecond high harmonic waveforms driven by bichromatic circularly polarized laser fields

KM Dorney, JL Ellis, C Hernández-García… - Physical Review Letters, 2017 - APS
High harmonics driven by two-color counterrotating circularly polarized laser fields are a
unique source of bright, circularly polarized, extreme ultraviolet, and soft x-ray beams, where …

Nonsequential double ionization by counterrotating circularly polarized two-color laser fields

S Eckart, M Richter, M Kunitski, A Hartung, J Rist… - Physical review …, 2016 - APS
We report on nonsequential double ionization of Ar by a laser pulse consisting of two
counterrotating circularly polarized fields (390 and 780 nm). The double-ionization …

Attoclock photoelectron interferometry with two-color corotating circular fields to probe the phase and the amplitude of emitting wave packets

M Han, P Ge, Y Shao, Q Gong, Y Liu - Physical Review Letters, 2018 - APS
We employ attosecond angular streaking with photoelectron interferometric metrology to
reveal electron sub-Coulomb-barrier dynamics. We use a weak perturbative corotating …

Dynamics of strong-field double ionization in two-color counterrotating fields

JL Chaloupka, DD Hickstein - Physical Review Letters, 2016 - APS
The double ionization of helium in bichromatic, circularly polarized intense laser fields is
analyzed with a classical ensemble approach. It is found that counterrotating fields produce …

Direct experimental access to the nonadiabatic initial momentum offset upon tunnel ionization

S Eckart, K Fehre, N Eicke, A Hartung, J Rist, D Trabert… - Physical review …, 2018 - APS
We report on the nonadiabatic offset of the initial electron momentum distribution in the
plane of polarization upon single ionization of argon by strong field tunneling and show how …

Enhancement of the second plateau in solid high-order harmonic spectra by the two-color fields

JB Li, X Zhang, SJ Yue, HM Wu, BT Hu, HC Du - Optics Express, 2017 - opg.optica.org
We theoretically investigate high-order harmonic generation (HHG) from solids in two-color
fields. It is found that under the premise of maintaining the same amplitude, the intensity of …

Sub-cycle directional control of the dissociative ionization of H2 in tailored femtosecond laser fields

H Li, X Gong, K Lin, R de Vivie-Riedle… - Journal of Physics B …, 2017 - iopscience.iop.org
Being the simplest molecule on the planet, H 2, as well as its isotopes, have been the
prototype systems for strong-field molecular physics for decades. Photoionization and …

High harmonic generation with Laguerre–Gaussian beams

W Paufler, B Böning, S Fritzsche - Journal of Optics, 2019 - iopscience.iop.org
We summarize the development of high harmonic generation (HHG) with linearly polarized
Laguerre–Gaussian (LG) beams and their superpositions to explain the non-perturbative …

Odd electron wave packets from cycloidal ultrashort laser fields

S Kerbstadt, K Eickhoff, T Bayer… - Nature …, 2019 - nature.com
Polarization-tailored bichromatic femtosecond laser fields with cycloidal polarization profiles
have emerged as a powerful tool for coherent control of quantum processes. We present an …