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Q: Fachverband Quantenoptik und Photonik

Q 26: Poster – Ultrashort Pulses and Strong Fields (joint session K/Q)

Q 26.1: Poster

Dienstag, 3. März 2026, 17:00–19:00, Philo 1. OG

Theoretical prediction of vibrational effects in multi-photon spectroscopy — •herve tajouo tela, deshan li, and julien bloino — Scuola Normale Superiore Pisa, Italy

The numerical investigation of molecular optical properties is essential for advancing our understanding of light*matter interactions. In this work, we present computational approaches for modeling two- dimensional (2D) photon absorption processes, with a particular focus on benchmarking 2D electronic*electronic transitions. These benchmark studies establish a basis for extending the methodology to more general frameworks that incorporate electronic*vibrational coupling. By employing advanced numerical techniques and high-precision algorithms, we aim to achieve accurate simulations of nonlinear optical responses and to predict spectroscopic signatures in complex molecular systems. Ultimately, this work seeks to improve the reliability of numerical simulations in capturing the fundamental features of multi-photon absorption processes, with applications spanning spectroscopy, photophysics, and quantum dynamics.

Keywords: two-dimensional spetra; Multi-photon; vibrational coupling; Spectroscopy