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physics.optics2025
A quasi-bound band in the continuum in a photonic slab
Stanislav Tsoi, Nicholas Proscia, Marc Christophersen +6
Bound states in the continuum (BIC) are localized waves in electronic, photonic and acoustic systems, which remain decoupled from surrounding propagating waves and hence maintain t…
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…