3 papers
cond-mat.mtrl-sci2026
Observation and Control of the Magnetic Photogalvanic Effect from Strongly Bound Excitons
Xianfan Nie, Tarun Patel, Hyunggeun Lee +11
Photogalvanic effects arising from the quantum geometry of noncentrosymmetric materials are promising for next-generation light-harvesting devices that do not require a built-in el…
cond-mat.mtrl-sci2024
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-ph2023
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…