Research Interest

• Space-time photonic devices for novel ultrafast light source generation

• Topological photonic phases in the gradient thickness optical cavity

• Development of advanced magneto-optic metrology

• Quantum-optic control of exciton dynamics in transition metal dichalcogenide

About me

Work Experience

• Sep. 2025 - Present Assistant Professor, Korea University

• Sep. 2023 - Aug. 2025 Postdoc, Stanford University (PI: Prof. Shanhui Fan)

• Mar. 2022 - Aug. 2023 Postdoc, KAIST (PI: Prof. Min-Kyo Seo)

• Jul. 2018 - Aug. 2018 Visiting Scientist, University of Southern Denmark (PI: Prof. N. Asger Mortensen)

Education

• Mar. 2014 - Feb. 2022 Ph.D. in Physics, KAIST (Research advisor: Prof. Min-Kyo Seo)

• Feb. 2010 - Feb. 2014 B.S. in Physics, KAIST (Magna Cum Laude)

• Mar. 2008 - Feb. 2010 Chonnam Science High School (early graduation)

Fellowships

• 2022 - 2025 Priority Research Institute Program, National Research Foundation ($40,000/year, 3 years)

• 2021 Pre-doctoral Fellow of Physics at KAIST

• 2015 - 2020 Global Ph.D. Fellowship ($30000/year, total 5 years), National Research Foundation

• 2014 - 2019 National Scholarship Awardee, KAIST

• 2011 - 2014 Undergraduate Scholarship from GE Foundation ($3000/year, 3 years)

Awards

• Nov. 2023 Best Thesis Award in Physics, S-Oil Science and Culture Foundation

• Apr. 2023 Young Scientist Award in Optics and Quantum Electronics, KPS

• Feb. 2022 The Excellence Doctorate Thesis Award, KAIST

• Dec. 2021 Best poster presentation, ICAMD

• Nov. 2021 Best paper award, Korean Physical Society

• Nov. 2020 Grand prize, KAIST Cross-generation Laboratory

• Dec. 2019 Best poster presentation, ICAMD

• Aug. 2019 Best paper award, Optical Society of Korea

Publication

12. Dynamic realization of emergent high-dimensional optical vortices

  Dongha Kim*,#, Geonhyeong Park*, Yun-Seok Choi, Arthur Baucour, Jisung Hwang, Sanghyeok Park, Hee Seong Yun, Jonghwa Shin, Haiwen Wang, Shanhui Fan, Dong Ki Yoon#, Min-Kyo Seo#, arXiv:2501.01550 (2025) (link)

11. Shaping space-time wavepackets beyond the paraxial limit using a dispersion magnifier.

Dongha Kim, Cheng Guo, Peter B. Catrysse, Shanhui Fan#, Physical Review A, 111 013504 (2025) (link)

10. Scaling behavior of degree of circular polarization of surface plasmon polariton.

  Dongha Kim#, Donghyeong Kim, Sanghyeok Park, N. Asger Mortensen, Min-Kyo Seo, ACS Photonics, 11(6), 2379–2387 (2024) (link)

9. Demonstration of two-dimensional exciton complex palette

Sanghyeok Park*, Jaeyu Kim*, Dongha Kim, Kenji Watanabe, Takashi Taniguchi, Min-Kyo Seo#, ACS Nano, 18(7), 5647–5655 (2024) (link)

8. Broadband generation of quasi bound-state-in-continuum modes using subwavelength truncated cone resonators.

  Mohamad Reza Nurrahman, Dongha Kim, Kwang-Yong Jeong, Kyoung-Ho Kim, Chun-Ho Lee*, Min-Kyo Seo*, Optics Letters, 48, 2837 (2023) (link)

7. Customising radiative decay dynamics of two-dimensional excitons via position- and polarisation-dependent vacuum-field interference.

  Sanghyeok Park*, Dongha Kim*, Yun-Seok Choi, Arthur Baucour, Donghyeong Kim, Sangho Yoon, Kenji Watanabe, Takashi Taniguchi, Jonghwa Shin, Jonghwan Kim, and Min-Kyo Seo#

  Nano Letters, 23(6) 2158–2165 (2023)  (link)

6. Spontaneous generation and active-manipulation of real-space optical vortices.

  Dongha Kim#, Arthur Baucour, Youn-Seok Choi, Jonghwa Shin, Min-Kyo Seo#

  Nature, 611 48–54 (2022) (link) Featured in KAIST Research News (link), American Mathematical Society (link)

5. Plasmonic Photonic Crystal Mirror for long-lived interlayer exciton generation.

  Sanghyeok Park*, Dongha Kim*, Min-Kyo Seo#

  ACS Photonics 8 12 3619–3626 (2021) (link)

4. Study of magnon–phonon non-equilibrium in a magnetic insulator—Thulium iron garnet.

  Geun-Hee Lee, Taekhyeon Lee, Phuoc Cao Van, Dongha Kim, Min-Kyo Seo, Younghun Jo, Jong-Ryul Jeong, Kab-Jin Kim#

  Applied Physics Letters 119 152406 (2021) (link)

3. Extreme anti-reflection enhanced magneto-optic Kerr effect microscopy.

  Dongha Kim, Young-Wan Oh, Jong Uk Kim, Soogil Lee, Arthur Baucour, Jonghwa Shin, Kab-jin Kim, Byong-Guk Park, Min-Kyo Seo#

 Nature Communications 11 5937 (2020) (link)  "Featured in KAIST Compass (link), KAIST Physics Newsletter (link)"

2. Enhancement of Magneto-optic Kerr effect of YIG nanoparticle by backscattering suppression.

  Mohamad Reza Nurrahman, Dongha Kim, Min-Kyo Seo, Alexander A. Iskander#

  Journal of Nonlinear Optical Physics & Materials 28 1950043 (2020) (link)

1. Resonant magneto-optic Kerr effects of a single Ni nanorod in the Mie scattering regime

  Hojin Jeong, Dongha Kim, Kwang-Yong Jeong, Jung-Hwan Song, Min-Kyo Seo#,

  Optics Express 24 15 16904-16912 (2016) (link)

*: co-first authors, #: corresponding author