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physics.optics2026
Coherent Perfect Tunneling at Exceptional Points via Directional Degeneracy
Huayang Cai, Bishuang Chen
Coherent perfect tunneling in the presence of loss and asymmetry remains a fundamental challenge in wave transport, a universal problem across optics, acoustics, and quantum mechan…
physics.optics2026
A universal waveguide mass--energy relation for lossy one-dimensional waves in nature
Huayang Cai, Bishuang Chen
Finite, lossy waveguides are ubiquitous: distributed attenuation with partial reflections produces feedback, resonance, delays and decay across electromagnetic, acoustic, photonic,…