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physics.optics2026
Dynamic Chirality in Photonic Time Crystals
Jianming Mai, Chenwen Yang, Shubo Wang
Temporal modulation offers a fundamentally distinct degree of freedom for active wave control beyond static spatial structuring. Photonic time crystals (PTCs), based on periodic mo…
physics.class-ph2026
Chiral switching of elastic spin via dynamic encirclement of exceptional points
Chenwen Yang, Shubo Wang
Dynamically encircling exceptional points (EPs) enables chiral state conversion in classical wave systems. However, whether this mechanism can be extended to chiral spin conversion…