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Harnessing Light for Real-World Impact

2025-04-28 Research



Professor Sun-Kyung Kim of the Department of Applied Physics has been named a Kyung Hee Fellow in the Research Category

“It’s one of the greatest honors a researcher can receive,” said Professor Sun-Kyung Kim upon being named a Kyung Hee Fellow in the research category. Grateful yet humble, the physicist added, “There are so many outstanding researchers around me, so receiving this award also comes with a deep sense of responsibility to do even better.”

Since joining the University, Professor Kim has published nearly 130 research papers. Known for his student-centered approach, he emphasized the importance of setting research topics that reflect both the goals and capabilities of his students.

Bridging optical science with emerging technologies, the awardee explores areas such as quantum computing, climate change mitigation, and autonomous driving. His work focuses on controlling the behavior of light—modulating its transmission and reflection depending on wavelength. “A strong foundation in basic science can give rise to countless real-world applications,” he explained.

Optical technologies, for instance, can block invisible near-infrared light while allowing visible light through—helping reduce heating energy and contribute to climate solutions. Advanced radar sensors are essential for autonomous driving, but current systems often fail to perform reliably in changing weather. To address this, Professor Kim’s team developed a metallic metamaterial film that allows radar waves to pass through with minimal interference—offering a promising solution for next-generation mobility.

Recently, the team leader has turned his focus toward quantum computing. He plays a key role in the Quantum Advantage Challenge Research Project, led by Professor Eungkyu Lee of the Department of Electronic Engineering, which explores the use of quantum computing to optimize optical design parameters. Professor Kim also now leads the Education and Research Group for Innovation in Quantum Digital Technology, newly selected under Brain Korea 21 Phase Four (BK21 Four). “Quantum is now at the forefront of global science,” he said. The group aims to conduct integrative research across quantum computing, quantum communication, and quantum sensing.



This cross-disciplinary initiative brings together faculty and graduate students from physics, mathematics, and engineering to tackle challenges that conventional supercomputers cannot yet resolve. “Proving quantum supremacy means solving problems that have a real impact on people’s lives,” Professor Kim noted. “We’re focused on real-world solutions.” Collaboration is also underway with the Global Research Center for Quantum Materials, which leads basic science efforts that complement the BK21 group’s applied focus—offering the potential for strong synergy.

Looking ahead, the physicist stressed the importance of deep expertise anchored in long-term commitment. “You have to dig deep into what you’re good at while staying attuned to the larger trends,” he said. “That’s how decades of accumulated expertise can align with pivotal moments of technological change.” He also encouraged young researchers to remain sensitive to shifts in society and industry: “Reading financial news or keeping an eye on the markets can help. If we can balance scientific trends with real-world demand, we’ll discover better research questions and more meaningful directions for application.”

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