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Ultrafast imaging of molecular chirality with photoelectron vortices

Published:

Motivated by advances in electron vortex states, which carry orbital angular momentum (OAM), we exploit conserved helicity inherent in photoelectrons carrying OAM from a chiral target to propose a new ultrafast chiral imaging technique, dubbed photoelectron vortex dichroism (PEVD). We theoretically demonstrate huge asymmetry in OAM-resolved photoelectron emission, sensitive to molecular chirality, for electrons ionized by strong linearly polarized fields.

Entanglement of Orbital Angular Momentum in Non-Sequential Double Ionization

Published:

I will discuss our new results on entanglement and orbital angular momentum (OAM) in non-sequential double ionization (NSDI). We demonstrate that there is entanglement in the OAM between the two photoelectrons in NSDI. Due to the quantization of OAM, this entanglement is easily quantified and has a simple physical interpretation in terms of conservation laws. Using the strong-field approximation, we quantify the entanglement for a large range of parameters, isolating the best targets for experimentalists. We also explore efficient methods to quantify and measure the entanglement, in particular by using an entanglement witness. Importantly, the methodology presented here could be applied to many other systems to help understand and exploit entanglement in attosecond processes.

Entanglement of orbital angular momentum in non-sequential double ionization

Published:

I will discuss our new results on entanglement and orbital angular momentum (OAM) in non-sequential double ionization (NSDI). We demonstrate that there is entanglement in the OAM between the two photoelectrons in NSDI. Due to the quantization of OAM, this entanglement is easily quantified and has a simple physical interpretation in terms of conservation laws. Using the strong-field approximation, we quantify the entanglement for a large range of parameters, isolating the best targets for experimentalists. We also explore efficient methods to quantify and measure the entanglement, in particular by using an entanglement witness. Importantly, the methodology presented here could be applied to many other systems to help understand and exploit entanglement in attosecond processes.

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.