3 papers
physics.optics2025
Focal control and light tracing on curved surfaces with isotropic transformation medium
Xiaoyu Zhao, Longfei Shi, Zhuoyu Zhang +4
Optics related to non-Euclidean geometry has been attracting growing interest for emerged novel phenomena and the analog for general relativity, while most studies are limited to t…
physics.optics2024
Topological invariant of non-Hermitian space-time modulated photonic crystals
Xiaoke Gao, Xiaoyu Zhao, Jiawei Wang +2
We propose a medium transformation approach to formulate the adjoint system of space-time modulated photonic crystals (STMPCs), essential for the bi-orthogonal Berry connection whe…
physics.app-ph2024
Communication-Free Robust Wireless Power Transfer with Constant Output Power and Stable Frequency
Zhuoyu Zhang, Junan Lai, Yuangen Huang +7
A primary challenge in wireless power transfer (WPT) systems is to achieve efficient and stable power transmission without complex control strategies when load conditions change dy…