3 citations · 7 across the 15 of their papers we have counts for
15 papers
Inverse-Designed Lithium Niobate Wavelength Demultiplexer via Birefringent Effective Index Approximation
Chihyeon Kim, Minho Choi, Munseong Bae +2
Inverse design of thin-film lithium niobate (TFLN) photonic devices is computationally demanding because optical birefringence and fabrication-induced slanted sidewalls generally r…
Scaling Limits of Multichannel Spectral Routers for Snapshot Imaging
Junseo Han, Seunghyun Lee, Donghyun Kim +1
Inverse-designed spectral routers can enable compact snapshot spectral imaging by directing different wavelengths to designated detector sub-pixels without mechanical scanning or a…
Near-unity efficiency optical vortex generation in van der Waals materials
Sujeong Byun, Munseong Bae, Hangsung Cho +4
Optical spin-orbit coupling provides a promising, fabrication-free route for developing ultra-compact optical vortex generators. However, the conversion efficiency has been theoret…
Neural Adjoint Method for Meta-optics: Accelerating Volumetric Inverse Design via Fourier Neural Operators
Chanik Kang, Hyewon Suk, Haejun Chung
Meta-optics promises compact, high-performance imaging and color routing. However, designing high-performance structures is a high-dimensional optimization problem: mapping a desir…
Inverse-Designed Metasurfaces for Compact Optical Skyrmion Generation with High Topological Fidelity
Donghyun Park, Alex Song, Haejun Chung +1
Optical skyrmions are structured vector fields with nontrivial polarization topology and subwavelength-scale features. One common approach to generating optical skyrmions is the su…
Inverse-Designed Metasurfaces for Wavefront Restoration in Under-Display Camera Systems
Jaegang Jo, Myunghoo Lee, Seunghyun Lee +3
Under-display camera (UDC) systems enable full-screen displays in smartphones by embedding the camera beneath the display panel, eliminating the need for notches or punch holes. Ho…
Physics-guided and fabrication-aware inverse design of photonic devices using diffusion models
Dongjin Seo, Soobin Um, Sangbin Lee +2
Designing free-form photonic devices is fundamentally challenging due to the vast number of possible geometries and the complex requirements of fabrication constraints. Traditional…
Inverse design of ultrathin metamaterial absorber
Eunbi Jang, Junghee Cho, Chanik Kang +1
Electromagnetic absorbers combining ultrathin profiles with robust absorptivity across wide incidence angles are essential for applications such as stealth technology, wireless com…
Inverse Design of Chiral Structures for Giant Helical Dichroism
Chia-Chun Pan, Munseong Bae, Hongtao Wang +5
Investigating chiral light-matter interactions is essential for advancing applications in sensing, imaging, and pharmaceutical development. However, the chiroptical response in nat…
Spin-Orbit Coupling for Optical Vortex Generation in van der Waals Materials
Jaegang Jo, Sujeong Byun, Munseong Bae +3
An optical vortex beam has attracted significant attention across diverse applications, including optical manipulation, phase-contrast microscopy, optical communication, and quantu…
Generalizing Deep Surrogate Solvers for Broadband Electromagnetic Field Prediction at Unseen Wavelengths
Joonhyuk Seo, Chanik Kang, Dongjin Seo +1
Recently, electromagnetic surrogate solvers, trained on solutions of Maxwell's equations under specific simulation conditions, enabled fast inference of computationally expensive s…
Inverse Designed WS2 Planar Chiral Metasurface with Geometric Phase
Jaegang Jo, Sangbin Lee, Munseong Bae +5
Increasing attention is being paid to chiral metasurfaces due to their ability to selectively manipulate right-hand circularly polarized light or left-hand circularly polarized lig…
Deep-learning-driven end-to-end metalens imaging
Joonhyuk Seo, Jaegang Jo, Joohoon Kim +7
Recent advances in metasurface lenses (metalenses) have shown great potential for opening a new era in compact imaging, photography, light detection and ranging (LiDAR), and virtua…
A3SA: Advanced Data Augmentation via Adjoint Sensitivity Analysis
Chanik Kang, Dongjin Seo, Svetlana V Boriskina +1
Innovative machine learning techniques have facilitated the inverse design of photonic structures for numerous practical applications. Nevertheless, within these approaches, the qu…
Inverse design and optical vortex manipulation for thin film absorption enhancement
Munseong Bae, Jaegang Jo, Myunghoo Lee +3
Optical vortices (OVs) have rapidly varying spatial phase and optical energy that circulates around points or lines of zero optical intensity. Manipulation of OV offers innovative…