KIM GROUP · POSTECH

Quantum materials.
Seen in a new light.

Ultrafast imaging & spectroscopy

We study optical and electronic phenomena in low-dimensional van der Waals materials, exploring emergent quantum and light–matter interactions with ultrafast lasers.

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Directed by Prof. Jonghwan Kim
Materials Science & Engineering, POSTECH

RESEARCH HIGHLIGHTS01 — 06
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Exploring light–matter interactions in atomically thin materials.

48 Publications 13 Current Members

Research

Small structures.
Extraordinary possibilities.

Research overview →
01 / LIGHT–MATTER INTERACTIONS

Engineering quantum states with light.

Layer stacking and moiré engineering open new ways to control optical responses in van der Waals materials.

Explore the science → 02 / DEVICE PHYSICS

Beyond conventional semiconductors.

Ultrathin optoelectronic devices that harness quantum materials from deep-ultraviolet to infrared frequencies.

Explore the science → 03 / ULTRAFAST IMAGING

Watching materials in motion.

In situ laser imaging reveals the dynamics of charge carriers, excitons and atomic-scale structures.

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From the lab

Latest news

Jan 2026

Seong-Joon and Hyeongseob’s work, in collaboration with the Deep Jariwala group at the University of Pennsylvania, on deep-ultraviolet natural hyperbolicity in hBN is accepted for publication in Nature Communications. Congratulations!

Jan 2026

Chengyun’s work on deep-ultraviolet luminescence in hBN moire quantum wells is accepted for publication in Science. Congratulations!

Dec 2025

Sera wins the outstanding poster presentation award in the 14th International Conference on Advanced Materials and Devices. Congratulations!

Nov 2025

Minjeong and Tahoe’s work on nonlinear optical responses in WS2 monolayers is accepted to Nature Communications. Congratulations!

Sep 2025

Dr. Tao, Junseok and Dongwon joined our group. Welcome!

Feb 2025

Dr. Hong and Donggeun joined our group. Welcome!

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in quantum materials.

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