Prof. Do-Kyeong Ko Profile

Prof. Do-Kyeong Ko

Professor at Gwangju Institute of Science and Technology

SPIE Involvement:

Author

Profile Summary

DO-KYEONG KO received the Ph. D. degree in Physics from Seoul National University in 1992. From 1992 to 2003 he had worked in Korea Atomic Energy Research Institute (KAERI) as a Senior/Principal Researcher. Since 2003 he has been with Gwangju Institute of Science and Technology (GIST) as an Associate/Full Professor and served as the Chair of Department and the Dean of the GIST College. Outside of the GIST, he served as the Director of Natural Sciences at the National Research Foundation of Korea (2019-2021) and the President of the Optical Society of Korea (2022-2023). His research interests includes ultrafast nonlinear optics.

Publications (20)

Proceedings Article | 6 October 2023 Poster

Poster

Study on photo-induced carrier dynamics of mixed perovskite solar cells exposed to atmospheric conditions using ultrafast transient absorption spectroscopy

Cheol Jo, Heejoo Kim, Do-Kyeong Ko

Proceedings Volume PC12660, PC126600V (2023) https://doi.org/10.1117/12.2676620

KEYWORDS: Solar cells, Perovskite, Ultrafast laser spectroscopy, Carrier dynamics, Absorption spectroscopy, Spectroscopic atmospheric monitoring techniques, Spectroscopes, Light absorption, Visible radiation, Ultrafast phenomena

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Proceedings Article | 4 October 2023 Presentation

Presentation

X-ray fluorescence measurement of multi-layer materials with the laser-induced x-ray and electron sources

Jungu Kang, Do-Kyeong Ko

Proceedings Volume PC12694, PC1269403 (2023) https://doi.org/10.1117/12.2676592

KEYWORDS: X-ray fluorescence spectroscopy, X-ray sources, X-rays, X-ray lasers, Plasma, Cultural heritage, Vacuum, Signal analyzers, Sapphire lasers, Pulsed laser operation

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Proceedings Article | 3 October 2022 Poster

Poster

Efficiency enhancement of terahertz plasmonic photoconductive antenna

Jae-Hyung Jang, Gye Jung Lee, Byungwoo Son, Do-Kyung Ko, Sungbae Lee

Proceedings Volume PC12195, PC121951W (2022) https://doi.org/10.1117/12.2632599

KEYWORDS: Principal component analysis, Antennas, Plasmonics, Terahertz radiation, Electrodes, Time metrology, Spectroscopy, Sensors, Sapphire lasers, Reflection

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Proceedings Article | 26 September 2022 Poster

Poster

Shape-invariant Bessel-Gaussian beams with fractional orbital angular momentum for deep-learning-based optical communication links

Youngbin Na, Do-Kyeong Ko

Proceedings Volume PC12218, PC1221809 (2022) https://doi.org/10.1117/12.2632606

KEYWORDS: Beam shaping, Optical communications, Bessel beams, Wave propagation, Superposition, Image transmission, Axicons

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Proceedings Article | 20 May 2022 Poster + Presentation

Poster + Presentation

A study on the utilization of deep learning for identifying fractional orbital angular momentum beams in atmospheric turbulence media

Youngbin Na, Do-Kyeong Ko

Proceedings Volume PC12138, (2022) https://doi.org/10.1117/12.2621104

KEYWORDS: Turbulence, Atmospheric turbulence, Multiplexing, Atmospheric propagation, Wavefronts, Optical turbulence, Optical components, Feature extraction, Computer programming, Channel projecting optics

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Proceedings Article | 17 September 2018 Presentation

Presentation

Designing over and under coupled resonant metamaterial cavities to control reflection mode optical phase characteristics (Conference Presentation)

Muhammad Tayyab Nouman, Ji Hyun Hwang, Kye Jeong Lee, Celso Leite, Do-Kyeong Ko, Jae-Hyung Jang

Proceedings Volume 10719, 107190M (2018) https://doi.org/10.1117/12.2323173

KEYWORDS: Reflection, Metamaterials, Cavity resonators, Free space optics, Fabry–Perot interferometers, Metals, Free space, Resonators, Control systems, Lenses

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Proceedings Article | 23 April 2017 Paper

Paper

A novel photonic crystal fiber with a germanium nanoparticles-doped germano-silicate core and its nonlinear optical characteristics

Seongmook Jeong, Seongmin Ju, Yuseung Lee, Youngwoong Kim, In-Sik Kim, Do-Kyeong Ko, Won-Taek Han

Proceedings Volume 10323, 103234L (2017) https://doi.org/10.1117/12.2265779

KEYWORDS: Glasses, Absorption, Optical fibers, Refractive index, Femtosecond phenomena, Photonic crystal fibers, Germanium, Nanoparticles, Nonlinear optics, Supercontinuum generation

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SPIE Journal Paper | 28 May 2015 Open Access

Open Access

Label-free imaging and quantitative chemical analysis of Alzheimer’s disease brain samples with multimodal multiphoton nonlinear optical microspectroscopy

Jang Hyuk Lee, Dae Hwan Kim, Woo Keun Song, Myoung-Kyu Oh, Do-Kyeong Ko

JBO, Vol. 20, Issue 05, 056013, (May 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.5.056013

KEYWORDS: Brain, Imaging spectroscopy, Second-harmonic generation, Neuroimaging, Imaging systems, Alzheimer's disease, Objectives, Optical fibers, Chemical analysis, Collagen

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SPIE Journal Paper | 9 July 2013 Open Access

Open Access

Rapid diagnosis of liver fibrosis using multimodal multiphoton nonlinear optical microspectroscopy imaging

Jang Hyuk Lee, Jong Chul Kim, Giyoong Tae, Myoung-kyu Oh, Do-Kyeong Ko

JBO, Vol. 18, Issue 07, 076009, (July 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.7.076009

KEYWORDS: Liver, Tissues, Nonlinear optics, Imaging systems, Multiphoton microscopy, Second-harmonic generation, Collagen, Imaging spectroscopy, Microscopy, Signal detection

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SPIE Journal Paper | 1 July 2008 Open Access

Open Access

Quasi-holographic solution to polarization-sensitive optical coherence tomography acceptable to nonlaboratory applications

Vitali Tougbaev, Tae-Joong Eom, Bong-Ahn Yu, Yeung-Lak Lee, Woojin Shin, Sangyoun Gee, Do-Kyeong Ko, Jongmin Lee

JBO, Vol. 13, Issue 04, 044014, (July 2008) https://doi.org/10.1117/12.10.1117/1.2967996

KEYWORDS: Optical coherence tomography, Polarization, Interferometers, Collagen, Picosecond phenomena, Fringe analysis, Charge-coupled devices, Skin, Birefringence, Tumors

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Proceedings Article | 18 February 2008 Paper

Paper

Narrowband wavelength selective detector applicable SD-OCT based on Fabry-Perot tunable filter and balanced photoreceiver

Tae Joong Eom, Vitali Tougbaev, Bong-Ahn Yu, Woojin Shin, Yeung Lak Lee, Do-Kyeong Ko, Chang-Seok Kim, Eun Joo Jung, Jae Suk Park, Myung Yung Jeong, Eun Seo Choi

Proceedings Volume 6847, 68470R (2008) https://doi.org/10.1117/12.766436

KEYWORDS: Optical coherence tomography, Tunable filters, Sensors, Fabry–Perot interferometers, Interferometers, Imaging systems, Eye, Signal detection, Glasses, Cornea

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Proceedings Article | 12 February 2008 Paper

Paper

Multi-wavelength source for the lower exposure intensity of spectral OCT

Eun Joo Jung, Jae-Seok Park, Myung Yung Jeong, Chang-Seok Kim, Tae Joong Eom, Vitali Tougbaev, Bong-Ahn Yu, Woojin Shin, Do-Kyeong Ko, Ji-Hye Lee

Proceedings Volume 6849, 68490A (2008) https://doi.org/10.1117/12.762917

KEYWORDS: Optical coherence tomography, Light sources, Charge-coupled devices, Optical filters, Signal to noise ratio, Glasses, Point spread functions, Interferometers, Michelson interferometers, Mirrors

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Proceedings Article | 12 October 2007 Paper

Paper

Full characterization of a GRIP Ni-like Ag amplifier for seeding with high harmonics at 13.9 nm

K. Janulewicz, J. Tuemmler, P. Nickles, H. Kim, I. Choi, N. Hafz, C. Kim, H. Kang, J. Sung, T. Yu, K. Hong, T. Jeong, J. Kim, Y.-C. Noh, D.-K. Ko, J. Lee

Proceedings Volume 6702, 67020A (2007) https://doi.org/10.1117/12.734012

KEYWORDS: X-ray lasers, Picosecond phenomena, Silver, Pulsed laser operation, Amplifiers, Near field, Neon, X-rays, Spatial coherence, Laser development

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Proceedings Article | 11 July 2007 Paper

Paper

Depth-resolved simplified characterization of collagen depletion in dermis with polarization sensitive optical coherence tomography applicable to non-laboratory conditions

Vitali Tougbaev, Tae Joong Eom, Woojin Shin, Yeung Lak Lee, Bong-Ahn Yu, Chul-Sik Kee, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 6627, 66271U (2007) https://doi.org/10.1117/12.728190

KEYWORDS: Collagen, Polarization, Optical coherence tomography, Skin, Optical fibers, Picosecond phenomena, Interferometers, Tumors, Birefringence, Fringe analysis

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Proceedings Article | 16 May 2007 Paper

Paper

Generation of 1.2 X diffraction-limited focal spot from the 100 TW Ti:sapphire laser system

Tae Moon Jeong, Il Woo Choi, Nasr Hafz, Jae Hee Sung, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 6584, 65840H (2007) https://doi.org/10.1117/12.726644

KEYWORDS: Wavefront aberrations, Deformable mirrors, Adaptive optics, Pulsed laser operation, Sapphire lasers, Laser systems engineering, Monochromatic aberrations, Wavefronts, Laser vision correction, Optical amplifiers

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Proceedings Article | 26 April 2007 Paper

Paper

Polarization sensitive optical coherence tomography for application conditions with external perturbations

Vitali Tougbaev, Tae-Joong Eom, Chul-Sik Kee, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 6535, 65350H (2007) https://doi.org/10.1117/12.740801

KEYWORDS: Interferometers, Polarization, Optical coherence tomography, Prisms, Birefringence, Picosecond phenomena, Switches, Sensing systems, Polarizers, Charge-coupled devices

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Proceedings Article | 7 February 2007 Paper

Paper

Wavelength tunable broadband source based on Ti:Sapphire femtosecond laser applicable to FD-OCT system

Tae Joong Eom, Hyeong-Gyu Choi, Jae Hee Sung, Chul-Sik Kee, Do-Kyeong Ko, Jongmin Lee, Eun Seo Choi

Proceedings Volume 6429, 64292B (2007) https://doi.org/10.1117/12.704228

KEYWORDS: Optical coherence tomography, Imaging systems, Pulsed laser operation, Tunable filters, Single mode fibers, Glasses, Image resolution, Oscillators, Tunable lasers, Collimators

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Proceedings Article | 28 January 2005 Paper

Paper

Control of second harmonic curve in a temperature-controlled periodically poled Ti:LiNbO₃ channel waveguide

Yeung Lak Lee, Young-Chul Noh, Changsoo Jung, Tae Jun Yu, Bong-Anh Yu, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 5646, (2005) https://doi.org/10.1117/12.577059

KEYWORDS: Channel waveguides, Waveguides

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Proceedings Article | 28 January 2005 Paper

Paper

All-optical wavelength selective channel dropping and wavelength conversion in a Ti:PPLN waveguide

Yeung Lak Lee, Changsoo Jung, Young-Chul Noh, Il Woo Choi, Do-Kyeong Ko, Han-Young Lee, Jongmin Lee

Proceedings Volume 5646, (2005) https://doi.org/10.1117/12.577099

KEYWORDS: Waveguides, Difference frequency generation

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Proceedings Article | 28 January 2005 Paper

Paper

Development of an autocorrelator based on the organic polymer thin film

Changsoo Jung, Tae Jun Yu, Han-Bae Bang, Ju-Yeon Lee, Yeung Lak Lee, Clare Byeon, Young-Chul Noh, Il Woo Choi, Do-Kyeong Ko, Jongmin Lee

Proceedings Volume 5646, (2005) https://doi.org/10.1117/12.576967

KEYWORDS: Second-harmonic generation, Thin films, Polymer thin films, Crystals, Polymers, Harmonic generation, Beam splitters, Pulsed laser operation, Ultrafast phenomena, Mirrors

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Showing 5 of 20 publications

Conference Committee Involvement (18)

Advanced Lasers, High-Power Lasers, and Applications XIV

14 October 2023 | Beijing, China

Advanced Lasers, High-Power Lasers, and Applications XIII

5 December 2022 | Online Only, China

Advanced Lasers, High-Power Lasers, and Applications XII

10 October 2021 | Nantong, JS, China

High-Power Lasers and Applications XI

12 October 2020 | Online Only, China

High-Power Lasers and Applications X

22 October 2019 | Hangzhou, China

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XIII

12 August 2019 | San Diego, California, United States

High-Power Lasers and Applications IX

11 October 2018 | Beijing, China

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications

24 April 2017 | Prague, Czech Republic

High-Power Lasers and Applications VIII

12 October 2016 | Beijing, China

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI

12 August 2015 | San Diego, California, United States

High-Power Lasers and Applications VII

9 October 2014 | Beijing, China

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications X

27 August 2013 | San Diego, California, United States

High-Power Lasers and Applications VI

5 November 2012 | Beijing, China

X-Ray Lasers and Coherent X-Ray Sources: Development and Applications IX

23 August 2011 | San Diego, California, United States

High-Power Lasers and Applications V

18 October 2010 | Beijing, China

Soft X-Ray Lasers and Applications VIII

4 August 2009 | San Diego, California, United States

High-Power Lasers and Applications IV

12 November 2007 | Beijing, China

High-Power Lasers and Applications III

8 November 2004 | Beijing, China

Showing 5 of 18 Conference Committees

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