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physics.optics2021
Nanoscale Optical Imaging of 2D Semiconductor Stacking Orders by Exciton-Enhanced Second Harmonic Generation
Kaiyuan Yao, Shuai Zhang, Emanuil Yanev +9
Second harmonic generation (SHG) is a nonlinear optical response arising exclusively from broken inversion symmetry in the electric-dipole limit. Recently, SHG has attracted widesp…
cond-mat.mtrl-sci2021
Increased formation of trions and charged biexcitons by above-gap excitation in single-layer
Matthew C. Strasbourg, Emanuil S. Yanev, Sheikh Parvez +8
Two-dimensional semiconductors exhibit pronounced many-body effects and intense optical responses due to strong coulombic interactions. Consequently, subtle differences in photoexc…