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physics.optics2025
Non-Abelian Electric Field and Zitterbewegung on a Photonic Frequency Chain
Shu Yang, Bengy Tsz Tsun Wong, Yi Yang
The synthetic frequency dimension, which realizes fictitious spatial dimensions from the spectral degree of freedom, has emerged as a promising platform for engineering artificial…
physics.optics2025
Parity-time symmetry phase transition in photonic time-modulated media
Rui-Chuan Zhang, Shu Yang, Yixin Sha +2
Time modulation can cause gain and loss in photonic media, leading to complex modal behaviors and enhanced wave controllability in the non-Hermitian regime. Conversely, we reveal t…