• PhD student
  Ultrafast lasers and Photonics Laboratory (ULPL), Lab  homepage  (URL)
  Department of physics, KAIST, 2022–current
  Supervisor: Fabian Rotermund

• MS
  Nonlinear  Optics  Laboratory
  Department of Physics, PNU, 2019 – 2021
  Supervisor: Myoungsik Cha
  Thesis: Measurement of refractive index of thin film and optical third harmonic generation

• BS
  Department of Physics, PNU, 2015 – 2019

• Ultrafast solid-state lasers with novel materials: femtosecond-laser-inscribed waveguide laser, bulk solid-state laser

• Numerical analysis of optical soliton pulse formation and propagation: Nonlinear Schrödinger equation, Haus master equation

• Nonlinear optics: Quasi-phase-matching in ferroelectric crystal (Periodically poled lithium niobate etc.), Quadratic/cubic nonlinear optics, Optical parametric amplifier/oscillator using ns pulsed laser.

• Metrology: Precise measurement of refractive index of dielectric bulk materials and thin film (Prism coupler, fringe analysis) 

• Computational language: MATLAB, Mathematica, Ansys Lumerical, html, Autodesk CAD

12. D. W. Kim, S.-E Lim, X. Mateos, W. Chen, C. Romero, J. R. V. Aldana, F. Rotermund, "Compact high-repetition-rate passive Q-switching in Yb:LuGG channel waveguide laser with carbon nanotubes" - In preparation

11. D. W. Kim, S.-E Lim, X. Mateos, W. Chen, C. Romero, J. R. V. Aldana, F. Rotermund, "Multi-repetition-rate mode-locking of an Yb:LuGG waveguide laser" - Optics Letters (Accepted)

10. D. W. Kim, S. Won, J. H. Park, Y. J. Kim, and F. Rotermund, "Sub-picosecond mode-locked laser operation in a femtosecond-laser-inscribed Yb:CaF2 channel waveguide", Optics Express, 32(24), 42801-42809 (2024). 

9. D. W. Kim, K. H. Ko, and F. Rotermund, "Soliton mode-locking and numerical analysis of Yb3+-doped potassium double tungstate lasers in compact laser cavity geometries", Korean Journal of Optics and Photonics, 35(5), 241-249 (2024). 

8. J. E. Bae, M. Hyun, D. W. Kim, X. Mateos, J. G. Ajates, C. Romero, J. R. V. D. Aldana, J. Kim, and F. Rotermund, "Characterization of noise spectra in low-jitter GHz mode-locked fs-laser-inscribed waveguide lasers", Optics and Laser Technology, 179(111412) (2024). 

7. H. Jeong, D. W. Kim, H. Kim, M. Cha, H. S. Moon, “Active Offset-Frequency Control of Optical Frequency Comb via Sum-Frequency Mixing of Passively Mode-Locked Laser and Continuous-Wave Laser”, Scientific Reports, 14(13485) (2024). 

6. D. W. Kim, M. Kwon, S. Park, B. J. Kim, M. Cha*, “Measurement of the thickness and refractive index of thin film from reflected interference fringes”, Applied Optics, 62(30), 8018-8024 (2023). 

5. S. Park, B. J. Kim, D. W. Kim, M. Cha*, “Measurement of film thickness by double-slit experiment”, Current Optics and Photonics, 5(1), 52-58 (2021). 

4. D. W. Kim, J. Kim, B. J. Kim, M. Cha*, ” Investigation of the light reflection from dielectric thin films coated on substrates”, Korean Journal of Optics and Photonics, 31(6), 321-327 (2020). 

3. CH. S. S. P. Kumar, B. J. Kim, D. W. Kim, M. Cha*, I. H. Bae, K. S. Hong, D. H. Lee, “Ultra-broadband spontaneous parametric downconversion in periodically poled lithium niobate and electro-optic tuning of the optical parametric oscillation”,Proceeding SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 112640E (2 March 2020). 

2. CH. S. S. P. Kumar, B. J. Kim, D. W. Kim, M. Cha*, “Simultaneous Generation of Orthogonally Polarized Signals in an Optical Parametric Oscillator Based on Periodically Poled Lithium Niobate”, Current Optics and Photonics, 4(1), 63-68 (2020). 

1. CH. S. S. P. Kumar, B. J. Kim, D. W. Kim, M. Cha*, I. H. Bae, K. S. Hong, D. H. Lee, “Electro-optically, widely tunable optical parametric oscillator based on periodically poled lithium niobate”, Optics Communications, 459, 125077 (2020).

4. D. W. Kim, S. -E Lim, X. Mateos, W. Chen, C. Romero, J. R. V. Aldana, F. Rotermund, "Mode-locked operation of Yb:LuGG channel waveguide laser using carbon nanotubes", Conference on Lasers and Electro-optics (CLEO)/Europe-EQEC (2025). - Oral presentation

3. D. W. Kim, S. -E Lim, X. Mateos, W. Chen, C. Romero, J. R. V. Aldana, F. Rotermund, "Transition dynamics of mode-locked operation in Yb:LuGG waveguide laser with carbon nanotubes", Asia-Pacific Laser Symposium (APLS) (2025) - Poster Presentation [Best Poster Awards]

2. D. W. Kim, S. J. Won, S. Lim, Y. Kim, F. Rotermund*, “Continuous-wave and pulsed laser operations in femtosecond-laser-inscribed Yb:CaF2 channel waveguide”, The 16th Pacific Rim Conference on Lasers and Electro-optics (CLEO-Pacific Rim) (2024). – Oral presentation

1. D. W. Kim, J. E. Bae, K. H. Ko, F. Rotermund*, “Soliton Mode-locking Dynamics in Compact Femtosecond Lasers with Yb-doped Gain Crystals”, Asia-Pacific Laser Symposium (APLS) (2023). – Oral presentation 

10. D. W. Kim, and F. Rotermund, "Compact femtosecond mode-locking in Yb:GYSO crystal", Optics and photonics congress (OPC) (2025) - Poster presentaion

9. D. W. Kim, S. -E. Lim, X. Mateos, W. Chen, F. Rotermund*, "Passively Q-switched laser operation in a femtosecond-laser-inscribed Yb:LuGG channel waveguide using nanocarbons", OSK winter annual meeting and conference (2025). – Poster presentation 

8. D. W, Kim, S. J. Won, S. Lim, Y. Kim, F. Rotermund*, “Continuous-wave and pulsed operation of femtosecond-laser-inscribed Yb:CaF2 channel waveguide laser”, Advanced Laser and Their Applications (ALTA) (2024). – Poster presentation

7. D. W, Kim, S. J. Won, S. Lim, Y. Kim, F. Rotermund*, “Continuous-wave and pulsed operation of femtosecond-laser-inscribed Yb:CaF2 channel waveguide laser”, OSK winter annual meeting and conference (2024). – Poster presentation

6. D. W, Kim, J. E. Bae, F. Rotermund*, “Compact ultrafast solid-state lases utilizing ytterbium double tungstate crystals”, Advanced Lasers and Their Applications (ALTA) (2023). – Poster presentation

5. D. W, Kim, J. E. Bae, F. Rotermund*, “Mode-locked operation of a compact diode-pumped Ytterbium double-tungstate laser”, Korean Physical Society (2022). – Poster presentation

4. D. W. Kim, B. J. Kim, M. Kwon, W. T. Kim, F. Rotermund, M. Cha*, “유기물 박막에서 위상정합 3차 조화파 변환 효율의 극대화”, OSK winter annual meeting and conference  (2022). – Poster presentation
*Title in English – Maximization of optical third harmonic generation in organic thin film

3. D. W. Kim, M. Cha, H. S. Moon*, “제어 가능한 광 주파수 빗 생성을 위한 합 주파수 발생”, Optics and photonics congress (OPC) (2021). – Poster presentation
*Title in English – Sum frequency generation for generating controllable optical frequency comb

2. D. W. Kim, B. J. Kim, M. Kwon, S. Park, M. Cha*, ” 반사 간섭무늬를 통한 박막의 굴절률과 두께 측정”, OSK winter annual meeting and conference  (2021). – Oral presentation
*Title in English – Measurement of refractive index and thickness of dielectric thin films by analyzing reflectance interference fringe

1. D. W. Kim, B. J. Kim, S. Park, M. Cha*, ” Ethyl Violet 유기물에서 비정상분산 위상정합을 이용한 광학의 3차 조화파 발생”, Optics and photonics congress (OPC)  (2020). – Oral presentation
*Title in English – Anomalous dispersion phase-matched optical third harmonic generation with Ethyl violet organic materia

• Journal referee for Optics Letters and Applied Optics

• Best poster presentation awards, Asia-pacific Laser Symposium (APLS), 2025