34 citations · 151 across the 16 of their papers we have counts for
16 papers
Generation of directed electron beams by tight focusing of an ultrashort IR laser in a near-critical plasma
Marianna Lytova, François Fillion-Gourdeau, Simon Vallières +4
Recent studies have demonstrated the possibility of accelerating electrons to MeV energies in ambient air using tightly focused laser configurations. In this article, we explore po…
Stringent requirements for detecting light-induced gravitational effects using interferometry
F. Fillion-Gourdeau, S. MacLean
Intense laser fields have been proposed as a means to generate light-induced gravitational effects, providing a novel approach to investigate gravity and its coupling to electromag…
Ambient air plasma acceleration in tightly-focused ultrashort infrared laser beams
Marianna Lytova, François Fillion-Gourdeau, Simon Vallières +3
Recent experimental and theoretical results have demonstrated the possibility of accelerating electrons in the MeV range by focusing tightly a few-cycle laser beam in ambient air.…
Relativistic electrons from vacuum laser acceleration using tightly focused radially polarized beams
Jeffrey Powell, Spencer W. Jolly, Simon Vallières +7
We generate a tabletop pulsed relativistic electron beam at 100 Hz repetition rate from vacuum laser acceleration (VLA) by tightly focusing a radially polarized beam into a low-den…
High Dose-Rate Ionizing Radiation Source from Tight Focusing in Air of a mJ-class Femtosecond Laser
S. Vallières, J. Powell, T. Connell +7
Ultrashort electron beams with femtosecond to picosecond bunch durations offer unique opportunities to explore active research areas ranging from ultrafast structural dynamics to u…
A fast method for evaluating Volume potentials in the Galerkin boundary element method
Sasan Mohyaddin, Johannes Tausch
Three algorithm are proposed to evaluate volume potentials that arise in boundary element methods for elliptic PDEs. The approach is to apply a modified fast multipole method for a…
Explicit volume-preserving numerical schemes for relativistic trajectories and spin dynamics
R. Cabrera, A. G. Campos, D. I. Bondar +2
A class of explicit numerical schemes is developed to solve for the relativistic dynamics and spin of particles in electromagnetic fields, using the Lorentz-BMT equation formulated…
Numerical quasi-conformal transformations for electron dynamics on strained graphene surfaces
F. Fillion-Gourdeau, E. Lorin, S. MacLean
The dynamics of low energy electrons in general static strained graphene surface is modelled mathematically by the Dirac equation in curved space-time. In Cartesian coordinates, a…
Plunging in the Dirac sea using graphene quantum dots
F. Fillion-Gourdeau, P. Levesque, S. MacLean
The dynamics of low energy charge carriers in a graphene quantum dot subjected to a time-dependent local field is investigated numerically. In particular, we study a configuration…
Pulse shaping in the terahertz frequency range for the control of photo-excited carriers in graphene
Denis Gagnon, Joey Dumont, François Fillion-Gourdeau +1
The shape of a few-cycle terahertz (THz) laser pulse can be optimized to provide control over conduction band populations in graphene. To demonstrate this control in a theoretical…
Carrier-envelope phase effects in graphene
C. Lefebvre, D. Gagnon, F. Fillion-Gourdeau +1
We numerically study the interaction of a terahertz pulse with monolayer graphene. We observe that the electron momentum density is affected by the carrier-envelope phase (CEP) of…
Suppression of multiphoton resonances in driven quantum systems via pulse shape optimization
Denis Gagnon, François Fillion-Gourdeau, Joey Dumont +2
This Letter demonstrates control over multiphoton absorption processes in driven two-level systems, which include for example superconducting qubits or laser-irradiated graphene, t…
Algorithm for the solution of the Dirac equation on digital quantum computers
F. Fillion-Gourdeau, S. MacLean, R. Laflamme
A quantum algorithm that solves the time-dependent Dirac equation on a digital quantum computer is developed and analyzed. The time evolution is performed by an operator splitting…
Efficiently parallelized modeling of tightly focused, large bandwidth laser pulses
Joey Dumont, François Fillion-Gourdeau, Catherine Lefebvre +2
The Stratton-Chu integral representation of electromagnetic fields is used to study the spatio-temporal properties of large bandwidth laser pulses focused by high numerical apertur…
Coherent destruction of tunneling in graphene irradiated by elliptically polarized lasers
Denis Gagnon, François Fillion-Gourdeau, Joey Dumont +2
Photo-induced transition probabilities in graphene are studied theoretically from the viewpoint of Floquet theory. Conduction band populations are computed for a strongly, periodic…
Time-domain quantum interference in graphene
F. Fillion-Gourdeau, D. Gagnon, C. Lefebvre +1
The electron momentum density obtained from the Schwinger-like mechanism is evaluated for a graphene sample immersed in a homogeneous time-dependent electric field. Based on the an…