Seres, J., Seres, E., & Schumm, T. (2026). Simulating cascaded harmonics generation up to the sixth order in β-BBO. Photonics, 13(5), Article 436. https://doi.org/10.3390/photonics13050436
We simulate the generation of multiple harmonics up to the sixth order extending into vacuum ultraviolet. The harmonics are generated by χ(n):χ(m) cascades, containing second- or third-order perturbative nonlinear processes. We identify three additional phase-matching conditions beyond standard phase matching, namely when only the first step or only the second step of the cascades are phase-matched and when the non-phase-matched second or third harmonic produces quasi-phase matching for higher-order harmonics, causing an essential enhancement of the harmonic signals.
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Project title:
Thorium nuclear clocks for fundamental tests of physics: 856415 (European Commission) Coherent Optical Metrology Beyond Dipole-Allowed Transitions: F 100400 (FWF - Österr. Wissenschaftsfonds) Ansätze, um nukleare Isomere kleinskalig Resonanz anzuregen.: J 4834 (FWF - Österr. Wissenschaftsfonds) Nuclear relaxation dynamics of the Thorium‐229 isomer in a crystal: PIN9526523 (FWF - Österr. Wissenschaftsfonds) High-accuracy Ion Optical clocks: 23FUN03 / JRP-f01 (European Commission) Austrian Quantum Fiber Network: 884678 (FFG - Österr. Forschungsförderungs- gesellschaft mbH)
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Research Areas:
Photonics: 30% Modeling and Simulation: 50% Quantum Metrology and Precision Measurements: 20%
CC BY 4.0
