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physics.optics2023
Effects of impurity band on multiphoton photocurrent from InGaN and GaN photodetectors
Chuanliang Wang, Ahsan Ali, Jinlei Wu +3
Multiphoton absorption of wide band-gap semiconductors has shown great prospects in many fundamental researches and practical applications. With intensity-modulated femtosecond las…
physics.optics2022
Symmetry-protected higher-order exceptional points in staggered flatband rhombic lattices
Yingying Zhang, Shiqiang Xia, Xingdong Zhao +9
Higher-order exceptional points (EPs), which appear as multifold degeneracies in the spectra of non-Hermitian systems, are garnering extensive attention in various multidisciplinar…