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physics.optics2024★ 11 cited
Versatile Braiding of Non-Hermitian Topological Edge States
Bofeng Zhu, Qiang Wang, You Wang +2
Among the most intriguing features of non-Hermitian (NH) systems is the ability of complex energies to form braids under parametric variation. Several braiding behaviors, including…
physics.optics2022★ 18 cited
Sensitive control of broad-area semiconductor lasers by cavity shape
Kyungduk Kim, Stefan Bittner, Yuhao Jin +5
The ray dynamics of optical cavities exhibits bifurcation points: special geometries at which ray trajectories switch abruptly between stable and unstable. A prominent example is t…