Research Activities

International Conferences

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).

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 

Domestic Conferences

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”, 한국광학회 2024년도 동계학술발표회 (2024). – Poster presentation

6. D. W, Kim, J. E. Bae, F. Rotermund*, “Compact ultrafast solid-state lases utilizing ytterbium double tungstate crystals”, 첨단 레이저 및 응용 워크샵 (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”, 한국물리학회 가을학술논문발표회 (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”, 한국광학회 2022년도 동계학술발표회 (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”, 한국광학회 2021년도 하계학술발표회 (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”, 한국광학회 2021년도 동계학술발표회 (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”, 한국광학회 2020년도 하계학술발표회 (2020). – Oral presentation
*Title in English – Anomalous dispersion phase-matched optical third harmonic generation with Ethyl violet organic materia

Publications

8. H. Jeong, D. W. Kim, H. Kim, M. Cha, H. S. Moon, “Active frequency control of optical frequency comb via sum frequency mixing of passively mode-locked laser and continuous-wave laser” (In preparation)

7. D. W. Kim, M. Kwon, B. J. Kim, H. S. Kim, W. T. Kim, J. Kim, F. Rotermund, M. Cha*, “Maximization of Anomalous Dispersion Phase-Matched Optical Third Harmonic Generation in Organic material” (In preparation). 

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).