3 papers
physics.optics2026
Data-Efficient Electromagnetic Surrogate Solver Through Dissipative Relaxation Transfer Learning
Sunghyun Nam, Chan Y. Park, Min Seok Jang
In neural network surrogate solvers for electromagnetic simulations, accurately modeling resonant phenomena remains a central challenge. High-amplitude resonances generate strongly…
physics.optics2024
High-directivity multi-level beam switching with single-gate tunable metasurfaces based on graphene
Juho Park, Ju Young Kim, Sunghyun Nam +1
The growing demand for ultra-fast telecommunications, autonomous driving, and futuristic technologies highlights the crucial role of active beam steering at the nanoscale. This is…
physics.optics2024
Single-gate electro-optic beam switching metasurfaces
Sangjun Han, Jinseok Kong, Junho Choi +2
Electro-optic active metasurfaces have attracted attention due to their ability to electronically control optical wavefront with unprecedented spatiotemporal resolutions. In most s…