2 papers
physics.optics2026
Möbius-like Real-Space Topology Reshapes Spectral Winding Topology in Hatano-Nelson Rings
Yekai Shen, Shuhang Chen, Zishun Liao +1
The spectral winding number serves as a bulk topological invariant in non-Hermitian systems, governing the emergence of skin modes and encoding the non-Hermitian bulk-boundary corr…
physics.optics2025
Nonreciprocal Coupling Induced by Nonlocal Loss Engineering
Yekai Shen, Shuhang Chen
Nonreciprocal coupling between photonic modes enables a range of advanced functionalities, though the available approaches for its practical implementation remain limited. Here, we…