Dong IL Lee - Personal Webpage

About Dong IL Lee

intro

  • I am a researcher associate in Department of Mechanical Engineering at Korea Institute Science and Technology (KAIST), advised by both Prof. Seung-Woo Kim and Prof. Young-Jin Kim.

  • My current research interests are:

    • Generation of ultra-stable light sources for various applications:
      Frequency synthesizer, timing and clock, metrology and etc.
    • Laser source stabilization based on optical high-finesse cavity
    • Optical time/frequency transfer
    • Free-space optical link (FSOL) system

AFFILIATION

  • Research Associate
    Korea Advanced Institute of Science & Technology. (KAIST), South Korea

  • Advisor: Prof. Seung-Woo Kim and Prof. Young-Jin Kim
  • Main Research:
    • 1.3 km free-space phase-coherent optical link system design
    • Ultra-stable light source generation referenced to optical frequency comb
    • Second-harmonic generation for optical frequency transfer
    • Precise beam position/wavefront control system

EDUCATION

  • Masters of Mechanical Engineering
    Korea Advanced Institute of Science & Technology. (KAIST), South Korea (2020-2022)
    • Thesis: Precision Control of Propagating Laser Beam Over Long Free-space Paths for Realizing Phase-coherent Optical Link
    • Total GPA: 3.86/4.3
    • Advisor: Prof. Young-Jin Kim


  • Bachelor of Mechanical Engineering
    Sungkyunkwan University. (SKKU), South Korea (2014-2020)
    (Note: military service during July 2015 to July 2017)
    • Thesis: Electrical Properties Measurements of Thin Films using Electrical Impedance Tomography
    • Total GPA: 3.99/4.5
    • Undergraduate Researcher Funding Scholarship
    • Best Graduate Paper Award
    • Advisor: Prof. Dongwoo Lee


HONORS & REWARDS

  • Best Graduate Paper
    School of Mechanical Engineering, Sungkyunkwan University Mechanical Engineering department, Korea (2022)

  • Undergraduate Researcher Funding Program
    Sungkyunkwan University, Korea (2019-2020)

  • Participation Award
    Problem-Solving Engineer Group, Ministry of Science and ICT, Korea (2018)

  • Academic Excellence Scholarship – 1.5 Years
    Sungkyunkwan University, Korea (2014-2015)



SKILLS & TECHNIQUES

  • Experimental Technique:
    • Laser source stabilization – Pound-Drever-Hall technique (PDH technique), Phase-locked loop (PLL control)
    • RF signal generation – optical frequency division (OFD)
    • Fiber-based femtosecond laser operation
    • Adaptive optics system operation
    • Dual-comb technique
    • Fiber splicing, EDFA design.
    • Long-range (~1.8 Km) transceiver alignment
    • phase noise/Allan-deviation measurement.
  • Software:
    • MATLAB, LabView, 3D modeling - Autodesk Inventor/Fusion360



LANGUAGES

  • Korean (Native)

  • English (High proficiency)
    TOEFL 99, Mar. ’22, Lived in Alabama (USA) for 1.5 Years

  • Chinese (Intermediate speaking)
    HSK level 6, ‘09, Lived in Beijing (China) for 3.5 Years



REFERENCES

  • Young-Jin Kim (advisor)
      Associate Professor, Mechanical Engineering, KAIST
      +82-42-350-3207
      yj.kim@kaist.ac.kr


  • Seung-Woo Kim (advisor)
      Professor, Mechanical Engineering, KAIST
      +82-42-350-3217
      swk@kaist.ac.kr


  • Dongwoo Lee
      Assistant Professor, Mechanical Engineering, SKKU
      +82-31-290-7435
      dongwoolee@g.skku.edu