2026 CAP Congress / Congrès de l'ACP 2026

Session

(DAMOPC) M1-10 | (DPAMPC)

M1-10

22 Jun 2026, 10:15

U. Ottawa - Learning Crossroads (CRX) Building

716. Watching a molecular bond break

Dr Nida Haram (Joint Attosecond Science Lab, National Research Council and University of Ottawa, ON K1A 0R6, Canada)

22/06/2026, 10:15

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral (Non-Student) / Orale (non-étudiant(e))

Polarization and correlation effects in molecular photodynamics are intimately tied to the coupled motion of electrons and nuclei. Understanding these interactions on their natural femtosecond timescales requires measurements that resolve both electronic structure and nuclear configuration simultaneously. Here, we present a complete imaging study of the UV-initiated dissociation of Br₂ using a...

540. Quantum Dial for High-Harmonic Generation

Lu Wang (University of Ottawa)

22/06/2026, 10:30

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral (Non-Student) / Orale (non-étudiant(e))

High-harmonic generation (HHG) is a highly nonlinear optical process that typically requires an intense laser to trigger emissions at integer multiples of the driving field frequency. However, the strong fields required for conventional HHG inevitably perturb the system, limiting its use as a nondestructive spectroscopic probe. Recent advances in bright squeezed vacuum (BSV) sources have...

609. XUV generation with toroidal pulse

Lu Wang (University of Ottawa)

22/06/2026, 10:45

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral (Non-Student) / Orale (non-étudiant(e))

When an electron interacts with an intense laser field, it is driven to relativistic velocities and emits radiation at integer multiples of the laser frequency (harmonics), thereby upconverting optical light into the extreme-ultraviolet or beyond. This process, known as the relativistic nonlinear Thomson scattering, is governed by the combined action of the electric and magnetic components of...

588. Suppression of Amplified Spontaneous Emission in Fe:ZnSe Amplifier

Mr Jon Morten Drees (University of Ottawa, Canada)

22/06/2026, 11:00

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

We present a scheme to suppress Amplified Spontaneous Emission (ASE) in a high-gain Fe:ZnSe chirped pulse amplifier (CPA) by increasing the seed energy from sub-µJ to sub-mJ level. The high-energy seed pulses are generated using a broadband optical parametric chirped pulse amplifier based on ZnGeP2 (ZGP) pumped by a Ho:YLF CPA.

Shifting the driving wavelength in ultra-fast physics, e.g....

612. Polarization-Controlled On-Axis Phase Matching in Extreme Four-wave Mixing

TJ Hammond (University of Windsor)

22/06/2026, 11:15

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral (Non-Student) / Orale (non-étudiant(e))

Three photons interacting in a Kerr nonlinear medium to produce a fourth photon, called four-wave mixing (FWM), has found a wide range of applications such as parametric amplification and quantum optics. Because the gain scales with the pump intensity, ultrafast pump lasers enable FWM at extreme intensities, leading to enormous amplification. However, within scalar or co-polarized models of...

898. High Harmonic Generation from a Noble Metal

Shima Gholam Mirzaeimoghadar (University of Ottawa)

22/06/2026, 11:30

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral (Non-Student) / Orale (non-étudiant(e))

High harmonic generation (HHG) – the signature of strong field physics – has been demonstrated in transparent solids. The underlying mechanisms in solids are commonly classified as interband emission, arising from laser-driven electron–hole recombination, and intraband emission, originating from nonlinear carrier motion within non-parabolic bands. In contrast, HHG from metals has remained...

833. Modelling radiation-balanced solar pumped lasers with a quantum optical framework

Ahmed Jaber (University of Ottawa)

22/06/2026, 11:45

Atomic, Molecular and Optical Physics, Canada / Physique atomique, moléculaire et photonique, Canada (DAMOPC-DPAMPC)

Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

The physics of solar pumped and radiation-balanced lasers lies in the intersection between solar pumped solid-state materials and the anti-Stokes optical cooling of solids. A solar pumped laser utilizes filtered sunlight directly to pump a gain medium and achieve population inversion for lasing output. Experiments around creating functional solar lasers have been conducted for around two...