2 papers
cond-mat.mtrl-sci2025
Quantum Geometric Advantage of the Correlated Exciton State in Non-linear Optics
MingRui Lai, Fengyuan Xuan, Su Ying Quek
The concept of quantum geometry for single-particle states has revolutionized our interpretation of several emergent properties in condensed matter. However, a description of the q…
physics.comp-ph2024
Exciton-Enhanced Spontaneous Parametric Down-Conversion in Two-Dimensional Crystals
Fengyuan Xuan, MingRui Lai, Yaze Wu +1
We show that excitonic resonances and interexciton transitions can enhance the probability of spontaneous parametric down-conversion, a second-order optical response which generate…