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physics.optics2025
Bell-State Quantum Holography with Metasurfaces
Qinmiao Chen, Guangzhou Geng, Hong Liang +5
Metasurfaces composed of subwavelength nanostructures enable simultaneous control of polarization and wavefront, greatly enhancing holographic information capacity. Building on thi…
quant-ph2025
Non-Markovian Exceptional Points by Interpolating Quantum Channels
Wai Chun Wong, Bei Zeng, Jensen Li
Exceptional points (EPs) are special points in non-Hermitian systems where both eigenvalues and eigenvectors coalesce. In open quantum systems, these points are typically analyzed…
physics.app-ph2025
Eigenmode-Guided Amplification via Spatiotemporal Active Acoustic Metamaterials
Wai Chun Wong, Greggory Chaplain, Jensen Li
We present a spatiotemporal gain-loss framework for eigenmode steering in coupled acoustic resonators. A cross-coupled gain-loss coefficient links the gain of one resonator to the…