01
Super-resolution microscopy
Optical imaging strategies that use structured and speckle illumination to improve three-dimensional resolution in biomedical microscopy.
Explore themeBiophotonics · Optical imaging
Sukhyeon Ka
Ph.D. CandidateSchool of Electrical and Electronic EngineeringYonsei University
I study optical and computational approaches to biomedical imaging, with a focus on structured illumination, nanospeckle microscopy, plasmonic nanostructures, and electromagnetic simulation.
- Biophotonics
- Super-resolution Microscopy
- Plasmonics
- Computational Imaging
Selected research
Light, structure, and computation.
Research themes spanning biomedical microscopy, plasmonic near fields, electromagnetic modeling, and image analysis.
02
Plasmonic / nanospeckle structured illumination
Random and plasmonic near-field illumination using nanoisland structures for surface and live-cell imaging research.
Explore theme03
Optical & electromagnetic simulation
FEM, FDTD, and RCWA workflows for investigating plasmonic devices, metasurfaces, optical propagation, and structure–light interactions.
Explore theme04
Computational imaging
Image and raw-data processing methods that connect optical measurements with localization, reconstruction, and quantitative analysis.
Explore themeOngoing projects
Current research efforts.
Active · 70%
Optical LLM + Nanoparticle
Research exploring nanoparticle-based optical systems and scientific analysis workflows, including the use of language-model-assisted analysis for optical degrees of freedom.
70%
Active · 20%
RandomSIM
Simulation and validation research involving randomized structured illumination and computational optical imaging.
20%
Paused · 18%
SDC
Optical simulation and validation research focused on evaluating structured optical behavior through computational analysis.
18%
Selected publications
Recent work.
Three-dimensional near-isotropic super-resolution imaging via axial interference speckle illumination
Proceedings of SPIE, Vol. 13867, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XXIII, 1386702
DOI 10.1117/12.3076480Near-isotropic Super-Resolution Microscopy with Axial Interference Speckle Illumination
Nature Communications, 16, Article 9274
DOI 10.1038/s41467-025-64366-2Random Structured Plasmonic Near-Field Illumination for Enhanced Surface Imaging
International Conference on Electronics, Information, and Communication (ICEIC), Osaka, Japan
DOI 10.1109/ICEIC64972.2025.10879711Recent activity
Presentations and leadership.
Collaborate
Interested in imaging, optics, or plasmonics?
I welcome conversations about academic collaboration, research discussions, and potential meetings.