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Cross-correlation with Geometry of the Coherence Function of the Fractional Optical Vortices: Determining the Topological Charge
  • AuthorPatnala Vanitha and Do-kyeong Ko
  • Year2024
  • SourceCLEO Pacific Rim 2024, August 04 ~ 09 2024, Songdo Convensia, Incheon, Korea

Study of Beam Steering using LCoS for LIDAR Applications
  • AuthorS.-J. Son, T.S. Meetei, B. Park, D.-K. Ko, and N.E. Yu
  • Year2023
  • SourceCLEO/Europe-EQEC 2023, Jun 26-30 2023, Munich, Germany

X-ray fluorescence measurement of multi-layer materials with the laser-induced X-ray and electron sources
  • AuthorJungu Kang and Do-Kyeong Ko
  • Year2023
  • SourceSPIE Optics+Photonics 2023, 20-24 August 2023, San Diego Convention Center, San Diego, USA

Study on photo-induced carrier dynamics of mixed perovskite solar cells exposed to atmospheric conditions using ultrafast transient absorption spectroscopy
  • AuthorCheol Jo, Heejoo Kim, and Do-Kyeong Ko
  • Year2023
  • SourceSPIE Optics+Photonics 2023, 20-24 August 2023, San Diego Convention Center, San Diego, USA

Photo-Carrier Dynamics of MAPbI3 Perovskite Depending on Grain Size Through Time-Resolved Terahertz Spectroscopy
  • AuthorByungwoo Son, Danbi Kim, Sung Huem Park, Nan-Ei Yu, and Do-Kyeong Ko
  • Year2023
  • SourceCLEO/Europe-EQEC 2023, Jun 26-30 2023, Munich, Germany

Efficiency enhancement of terahertz plasmonic photoconductive antenna
  • AuthorJae-Hyung Jang, Gye Jung Lee, Byungwoo Son, Do-Kyeong Ko, and Sungbae J. Lee
  • Year2022
  • SourceSPIE Optics+Photonics 2022, 21-25 August 2022, San Diego Convention Center, San Diego, USA

Shape-invariant Bessel-Gaussian beams with fractional orbital angular momentum for deep-learning-based optical communication links
  • AuthorYoungbin Na and Do-Kyeong Ko
  • Year2022
  • SourceSPIE Optics+Photonics 2022, 21-25 August 2022, San Diego Convention Center, San Diego, USA (invited)

A study on the utilization of deep learning for identifying fractional orbital angular momentum beams in atmospheric turbulence media
  • AuthorYoungbin Na and Do-Kyeong Ko
  • Year2022
  • SourceSPIE Photonics Europe 2022, 3-7 April 2022, Palais de la Musique et des Congres, Strasbourg, France

Ultrafast photo-induced carrier dynamics of FAPbI3-MAPbBr3 perovskite films fabricated with additives and a hole transport material
  • AuthorDo-Kyeong Ko
  • Year2021
  • SourceICAMD 2021, 6-10 December 2021, Ramada Plaza Jeju Hotel, Jeju, Korea

Output characteristics of a mode-locked laser oscillator with a SESAM located inside the cavity
  • AuthorSeong-Hoon Kwon, Dong Hoon Song, and Do-Kyeong Ko
  • Year2019
  • SourceOSA Laser Congress, 29 Semtember-3 Otctober 2019, Austria Ceter Vienna, Vienna, Austria
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