Optical Bloch modeling of femtosecond-laser-induced electron dynamics in dielectrics
Artikel i vetenskaplig tidskrift, 2020

A model based on optical Bloch equations is developed to describe the interaction of femtosecond laser pulses with dielectric solids, accounting for optical-cycle-resolved electron dynamics. It includes the main physical processes at play: photoionization, impact ionization, direct and collisional laser heating, and recombination. By using an electron band structure, this approach also accounts for material optical properties as nonlinear polarization response. Various studies are performed, shedding light on the contribution of various processes to the full electron dynamics depending on laser intensity and wavelength. In particular, the standard influence of the impact ionization process is retrieved.

Författare

E. Smetanina

Göteborgs universitet

P. Gonzalez de Alaiza Martinez

Université de Bordeaux

Illia Thiele

Chalmers, Fysik, Subatomär fysik och plasmafysik

B. Chimier

Université de Bordeaux

A. Bourgeade

Université de Bordeaux

G. Duchateau

Université de Bordeaux

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

1539-3755 (ISSN)

Vol. 101 6 063206

Ämneskategorier

Atom- och molekylfysik och optik

Annan fysik

Den kondenserade materiens fysik

DOI

10.1103/PhysRevE.101.063206

PubMed

32688561

Mer information

Senast uppdaterat

2020-09-16