EM& Intelligent Design

Journal Papers (and CS conferences)

Google Scholar

†=equal contribution, * = corresponding author, bold name = lab members

2026

(Under review) Broadband Electromagnetic Field Prediction at Unseen Wavelengths via Physics-Guided Neural Operators

J. Seo†, C. Kang†, D. Seo, H. Chung*

Nanophotonics (Under review)

[Link] [pdf]

(Under review) Inverse Design of Angle-Robust Color Routers by Optical Structural Similarity

Donghyun Kim, J. Han, S. Lee, M. Jang, H. Chung*

ACS Photonics (Under review)

(Under review) Inverse-Designed Metasurfaces for Compact Optical Skyrmion Generation with High Topological Fidelity

D. Park, A. Song, H. Chung*, S. Kim*

Advanced Optical Materials (Under review)

[Link]

[52] Versatile On-Chip Reconfigurable Two-Photon Interference Platforms Using Thin-Film Lithium Niobate

Minho Choi‡, Changhyun Kim‡, Sunghyun Moon, Hyeon Hwang, Min-Kyo Seo, Hyang-Tag Lim, Haejun Chung, Hojoong Jung*, and Hyounghan Kwon*,

APL Photonics (2026) (IF:5.3, JCR~ 20%)

[51] MORCU: Margin-Based Ordinal Classification with Dynamic Regularization for Calibration and Unimodality

Daehwan Kim, H. Chung*, I. Jang*

Pattern Recognition (2026) (IF:7.6, JCR~ 9%)

[50] Cyclic 2.5 D Perceptual Loss for Cross-Modal 3D Image Synthesis: T1 MRI to Tau-PET

J. Moon, S. Kim, H. Chung*, I. Jang*

Human Brain Mapping (2026) (IF:3.5, JCR~ 17%)

[Link] [pdf]

[49] Hierarchical Mutual Distillation for Multi-View Fusion: Learning from All Possible View Combinations

J. Yang, H. Chung*, I. Jang*

Pattern Recognition (2026) (IF:7.6, JCR~ 9%)

[Link] [pdf]

[48] Multi-objective time-domain adjoint via temporal convolution for band-selective electromagnetic topology optimization

M. Park, S. Boriskina, H. Chung*

Result in Physics (2026) (IF:4.8, JCR~ 20%)

[Link]

[47] Dodgersort: Uncertainty-Aware VLM-Guided Human-in-the-Loop Pairwise Ranking

Y. Park, H. Chung*, I. Jang*

[PAKDD] The Pacific-Asia Conference on Knowledge Discovery and Data Mining (2026) (BK21 Conference, Oral Presentation)

[46] Physics-guided and fabrication-aware inverse design of photonic devices using diffusion models

Dongjin Seo†, Soobin Um†, Sangbin Lee, Jong Chul Ye* and Haejun Chung*

ACS Photonics (2026) (IF:6.7, JCR 14%)

[Link] [pdf]

[45] Metalens-Style Image Synthesis for Metalens Imaging via Image-to-Image Translation

Chanik Kang†, Hyewon Suk†, Joonhyuk Seo, Ikbeom Jang* and Haejun Chung*

Scientific Report (2026) (IF:3.9, JCR~25%)

[Link]

[44] Inverse Design of Thermal Imaging Metalens Achieving 100 degrees Field-of-View on a 4 × 4 Microbolometer Array

Munseong Bae†, Eunbi Jang†, Chanik Kang†, Haejun Chung*

Micromachines (2026) (IF:3.0)

[Link]

[43] Inverse Design of Nanophotonic Color Router Robust to Oblique Incidence

Jaehyun Jeon, Chanhyung Park, Doyoung Heo, Haejun Chung, Min Seok Jang*

Advanced Optical Materials (2026) (IF:7.2)

[Link] [pdf]

(Under review) BOLDSimNet: Examining Brain Network Similarity between Task and Resting-State fMRI

B. Kim, DD. Chakladar, H. Chung*, I. Jang*

[Link] [pdf]

(Under review) Calibration of ordinal regression networks

D. Kim, H. Chung*, I. Jang*

[Link] [pdf]

(Under review) MetaRanker: Human-in-the-loop Active Ranking for Metalens Image Quality

Y. Park, H. Chung*, I. Jang*

(Under review) Neural Adjoint Method for Meta-optics: Accelerating Volumetric Inverse Design via Fourier Neural Operators

C. Kang, H. Suk, H. Chung*

(Under review) Enhanced valley-polarized emission in n-doped WS2 via plasmonic nanocubes

Ha Young Lee, Munseong Bae, Alexander Corletto, Feier Fang, James Bullock, Haejun Chung, and Sejeong Kim*

(Under review) Near-unity efficiency optical vortex generation in van der Waals materials

Sujeong Byun, Munseong Bae , Hangsung Cho , Haejun Chung , Kostya Novoselov , James Bullock and Sejeong Kim*

2025

[42] Optical see-through augmented reality via inverse-designed waveguide couplers

Seunghyun Lee, Byounghyo Lee and Haejun Chung *

Nanophotonics (2025) (IF:7.5)

[Link] [pdf]

[41] Inverse design for enhanced chiroptical response with chiral nanophotonic structures

Munseong Bae†, Chia-Chun Pan†, Chanik Kang†, Jinseong Bae, Donghyun Park, Seokho Lee, Cherry Park, Haoran Ren, Junsuk Rho, Haejun Chung*, and Sejeong Kim*

APL Photonics (2025) (IF:5.3, JCR 18%)

[Link] [pdf]

[40] EZ-Sort: Efficient Pairwise Comparison via Zero-Shot CLIP-Based Pre-Ordering and Human-in-the-Loop Sorting

Y. Park, H. Chung*, I. Jang*

[CIKM] The Conference on Information and Knowledge Management (2025)

(BK21 Conference) [Link] [pdf]

[39] Spin-Orbit Coupling for Optical Vortex Generation in van der Waals Materials

J. Jo†, S. Byun†, M. Bae, J. Wang, H. Chung*, S. Kim*

Light: Science & Applications (2025) (IF: 23.4, JCR ~ 2.9%) [Phys.org]

[Link]

[38] Inverse-Designed Metasurfaces for Wavefront Restoration in Under-Display Camera Systems

J. Jo†, M. Lee†, S. Lee†, C. Kang, H. Chung*

Nanophotonics (2025) (IF:7.5)

[Link] [pdf]

[37] Inverse design of ultrathin metamaterial absorber

E. Jang†, J. Cho†, C. Kang*, H. Chung*

Nanomaterials (2025) (IF:4.3)

[Link] [pdf]

[36] Design strategies, manufacturing, and applications of radiative cooling technologies

Joonho Kang†, Changkyun Lee†, Haejun Chung* and Peter Bermel*

Nanophotonics (2025) (IF:7.5)

[Link] [pdf]

[35] Inverse Design of Chiral Structures for Giant Helical Dichroism

C.-C. Pan†, M. Bae†, H. Wang, J. Lim, R. R. Unnithan, J. Yang, H. Chung*, S. Kim*

Nanoscale Horizons (2025) (IF: 8.0)

(Invited)

[34] Freeform Thin-Film Lithium Niobate Mode Converter for Photon-pair Generation

C. Kim†, M. Bae†, M. Choi, S. Lee, M. Lee, H. Jung, H. Chung*, H. Kwon*

Nanophotonics (2025) (IF:7.5)

[Link] [pdf]

[33] Adjoint Method-based Fourier Neural Operator Surrogate Solver for Wavefront Shaping in Tunable Metasurfaces

C. Kang†, J. Seo†, I. Jang, H. Chung*

iScience (2025) (IF: 6.107)

[Link] [pdf]

2024

[32] Deep-learning-driven end-to-end metalens imaging Metasurfaces

J. Seo†, J. Jo†, J. Kim†, J. Kang†, C. Kang, S. Moon, E. Lee, J. Hong, J. Rho*, H. Chung*

Advanced Photonics 6(6), 066002 (2024) (IF: 20.6, JCR ~ 2.9% in Optics)

[Link] [pdf] News: [News][News][News][News][News][News]

[31] Facial Wrinkle Segmentation for Cosmetic Dermatology: Pretraining with Texture Map-Based Weak Supervision

J. Moon, H. Chung*, I. Jang*

[ICPR] The International Conference on Pattern Recognition (2024) (BK21 Conference)

[Link] [pdf]

[30] Physics-guided Optimization of Photonic Structures using Denoising Diffusion Probabilistic Models

D. Seo†, S. Um†, S. Lee, J. Ye*, H. Chung*

NeurIPS W Machine Learning and the Physical Science (2024)

[Link] [pdf]

[29] Wave Interpolation Neural Operator: Interpolated Prediction of Electric Fields Across Untrained Wavelengths

J. Seo†, C. Kang†, D. Seo, H. Chung*

NeurIPS W Data-driven and Differentiable Simulations, Surrogates, and Solvers (2024)

[Link] [pdf]

[28] Large-scale photonic inverse design: computational challenges and breakthroughs

C. Kang†, C. Park†, M. Lee+, J. Kang, M. Jang*, H. Chung*

Nanophotonics (2024) (IF: 8.45, JCR ~ 6.7% in Optics)

[Link] [pdf]

[27] Towards subwavelength pixels: Nanophotonic color routers for ultra-compact high-efficiency CMOS image sensors

C. Park†, S. Lee†, T. Lee, J. Kang, J. Jeon, C. Park , S. Kim, H. Chung *, M. Jang*

Journal of Optics (2024)

[Link] [pdf]

[26] Inverse Design of Color Routers in CMOS Image Sensors: Toward Minimizing Interpixel

S. Lee† , J. Hong† , J. Kang, J. Park, J. Lim, T. Lee, M. Jang, H. Chung*

Nanophotonics (2024) (IF: 8.45, JCR ~ 6.7% in Optics)

[Link] [pdf]

[25] Inverse Designed WS2 Planar Chiral Metasurface with Geometric Phase

J. Jo, S. Lee, M. Bae, D. Nelson, K. Crozier, N. Yu, H. Chung*, S. Kim*

Journal of Optics (2024)

[Link] [pdf]

[24] Adjoint Method in Machine Learning: A Pathway to Efficient Inverse Design of Photonic Devices

C. Kang+, D. Seo+, S. V. Boriskina, H. Chung*

Materials & Design (2024) (IF:8.40)

[Link] [pdf]

2023

[23] Inverse design and optical vortex manipulation for thin film absorption enhancement

M. Bae, J. Jo, M. Lee, J. Kang, S. V. Boriskina*, H. Chung*

Nanophotonics (2023) (IF: 8.45, JCR ~ 6.7% in Optics)

[Link] [pdf]

[22] Design parameters of free-form color splitters for subwavelength pixelated image sensors

S. Kim, C. Park, S. Kim, H. Chung, M. Jang*

iScience (2023) (IF: 6.1)

[Link] [pdf]

[21] Inverse Design of High-NA Metalens for Maskless Lithography

C. Kang+, D. Seo+, S. V. Boriskina, H. Chung*

Nanophotonics (2023) (IF: 8.45, JCR ~ 6.7% in Optics)

[Link] [pdf]

2022

[20] Modeling dispersive media in finite-difference time-domain method for radiative cooling applications

M. Bae, H. Chung*

IEEE Access (2022) (IF: 3.37, JCR ~ 34.2% in Eng.)

[Link] [pdf]

[19] Numerical Demonstration of Angle-Independent Electromagnetic Transparency in Short-Wavelength Infrared Regime

J. Park, S. Hong, H. Chung*

IEEE Access (2022) (IF: 3.37, JCR ~ 34.2% in Eng.)

[Link] [pdf]

[18] Computational upper-limit of directional light emission in nano-LED via inverse design

H. Chung*

Optics Express 30, (6), (2022) (IF: 3.67, JCR ~ 19.1% in Optics)

[Link] [pdf]

[17] Inverse-designed waveguide-based biosensor for high-sensitivity, single-frequency detection of biomolecules

H. Chung*, J. Park, S. V. Boriskina*

Nanophotonics (2022) (IF: 8.45, JCR ~ 6.7% in Optics) - [won a paper award in KIEES conference]

[Link] [pdf]

[16] Free-form optimization of nanophotonic devices: from classical methods to deep learning

J.Park, S. Kim, D. W. Nam, H. Chung*, C. Y. Park*, and M. S. Jang*

Nanophotonics, (2022) (IF: 8.45, JCR ~ 6.7% in Optics)

[Link] [pdf]

2021

[15] Inverse design of a single-frequency diffractive biosensor based on the reporter cleavage detection mechanism

H. Chung*, S. V. Boriskina*

Optics Express 29, (7), (2021) (IF: 3.67, JCR ~ 19.1% in Optics)

[Link] [pdf]

[14] High contrast cleavage detection for enhancing porous silicon sensor sensitivity

R. Layouni, M. Dubrovsky, M. Bao, H. Chung, K. Du, S. V. Boriskina, S. M. Weiss, and D. Vermeulen

Optics Express 29,(1), (2021) (IF: 3.67, JCR ~ 19.1% in Optics)

[Link] [pdf] News: [news]

~2020 (at Purdue, Yale, MIT)

[13] Tunable metasurface inverse design for 80% switching efficiencies and 144◦ angular steering
H. Chung*, O. Miller*
ACS Photonics 7 (8), 2236–2243, (2020) (IF: 6.86, JCR ~ 8.7% in Optics) [Link] [pdf]

[12] High-NA Achromatic Metalenses by Inverse Design
H. Chung*, O. Miller*
Optics Express, 28 (5), 6945-6965, (2020) (IF: 3.67, JCR ~ 19.1% in Optics) (selected as a top-cited paper in Optics Express, highly cited paper (<1%) in Physics area by Clarivate) [Link] [pdf]

[11] Maximal Free-Space Concentration of Electromagnetic Waves
H. Shim, H. Chung, O. Miller
Physical Review Applied 14 (1), 014007, (2020) (IF: 4.53, JCR ~ 17.0% in Physics Applied), (Editors’ Suggestion) [Link] [pdf]

[10] Laser-Induced CO2 Generation from Gold Nanorod-Containing Poly(propylene carbonate)-Based Block Polymer Micelles for Ultrasound Contrast Enhancement
J. Lee, S. Jo, H. Chung, W. Um, R. Chandrasekar, Y. Choi, V. M Shalaev, Y.-Y. Won
ACS applied materials & interfaces 10.31 (2018): 26084-26098 (IF: 7.50, JCR ~ 7.66% in Material science, multidisciplinary, 2016) [Link] [pdf]

[9] Modeling and designing multilayer 2D perovskite/silicon bifacial tandem photovoltaics for high efficiencies and long-term stability
H. Chung, X. Sun, R. Singh, L. Kumar, M. A. Alam, P. Bermel
Optics Express 25 (8), A311-A322, (2017) (IF: 3.15, JCR ~ 14.6% in Optics 2015) [Link] [pdf]

[8] Collimated Thermal Radiation Transfer Via Half Maxwell’s Fish-Eye Lens for Thermophotovoltaics
H. Chung, Z, Zhou, P. Bermel
Applied Physics Letters, 110 (20), 201111, (2017) [Link] [pdf]

[7] Hybrid dielectric light trapping designs for thin-film CdZnTe/Si tandem cells
H. Chung, C. Zhou, X. T. Tee, K.-Y. Jung, and P. Bermel
Optics Express, 24 (14), (2016) (IF: 3.49, JCR ~ 10.5% in Optics 2014)(featured in Light Trapping for Photovoltaics section) [Link] [pdf]

[6] Optical approaches to improving perovskite/Si tandem cells
H. Chung, X. Sun and P. Bermel
MRS Advances, 1 (14), (2016) [Link] [pdf]

[5] Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells
H. Chung, K.-Y Jung and P. Bermel
Optical Materials Express, 5 (9), (2015) (IF: 2.92, JCR ~ 15.9% in Optics 2013) (published in a Plasmonics special issue) [Link] [pdf]

[4] Design of CdZnTe and Crystalline Silicon Tandem Junction Solar Cells
C. Zhou, H. Chung, X.Wang and P. Bermel
IEEE journal of Photovoltaic, 6 (1), (2015) (IF: 3.00, JCR ~ 6.3% in Physics, Applied 2013) [Link] [pdf]

[3] Accurate FDTD modeling for dispersive media using rational function and particle swarm optimisation
H. Chung, S. Ha, J. Cho and K.-Y. Jung
International Journal of Electronics, 102 (7), (2015) [Link] [pdf]

[2] Time domain simulation of tandem silicon solar cells with optimal textured light trapping enabled by the quadratic complex rational function
H. Chung, K.-Y. Jung, X. T Tee and P. Bermel
Optics Express, 22 (103), (2014) (IF: 3.55, JCR ~ 5.0% in Optics 2012) [Link] [pdf]

[1] Dispersive FDTD modeling for concrete materials
H. Chung, J. Cho, S. Ha, S. Ju and K.-Y. Jung
ETRI Journal, 35 (5), (2013) [Link] [pdf]

[51] MORCU: Margin-Based Ordinal Classification with Dynamic Regularization for Calibration and Unimodality

Daehwan Kim, H. Chung*, I. Jang*

Pattern Recognition (2026) (IF:7.6, JCR~ 9%)

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