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Yoon-Soo JANG is currently a senior research scientist in KRISS (Length standard group) and associate professor in UST (KRISS school, precision measurement). He recieved the Ph.D. degree in mechanical engineering from the Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, in 2017. From 2018 to 2019, he was a Post-Doctoral Research Scientist with Mesoscopic Optics and Quantum Electronics Laboratory, UCLA, Los Angeles, CA, USA. His research interests include optical metrology, ultrafast photonics, mode-locked laser, frequency comb, and laser interferometry.
■ Employment
Korea Research Institute of Standards and Science (KRISS) Daejeon, KOREA
- Senior research scientist, Length Standard Group in Physical Metrology Division (KRISS, Multiscale length metrlogy team), (2019.05. - present)
Korea University of Science and Technology (UST) Daejeon, KOREA
- Associate Professor, Division of Measurement Engineering (2023.03. -present)
University of California, Los Angeles (UCLA) Los Angeles, US
- Postdoctoral research scientist, Mesoscopic Optics and Quantum Electronics Laboratory (Wong group), (2018.03. - 2019.05.)
Korea Advanced Institute of Science & Technology (KAIST) Daejeon, KOREA
- Research scientist, Precision Engineering and Metrology Laboratory (PEM lab.), (2017.10. - 2018.03.)
- Post-doctoral researcher, Precision Engineering and Metrology Laboratory (PEM lab.), (2017.08. - 2017.10.)
- Graduate student, Precision Engineering and Metrology Laboratory (PEM lab.), (2011.02. - 2017.08.)
■ Education
Korea Advanced Institute of Science & Technology (KAIST) Daejeon, KOREA
Ph.D in Mechanical Engineering. 2013-2017.
Thesis: Ultraprecision measurement of absolute distances in air using frequency comb referenced multi-wavelength interferometer
Advisor: Prof. Seung-Woo, Kim
Korea Advanced Institute of Science & Technology (KAIST) Daejeon, KOREA
Master of Mechanical Engineering, 2011-2013.
Thesis: Space radiation test of critical optical components and space-borne fiber femtosecond laser
Advisor: Prof. Seung-Woo, Kim
Inha University Incheon, KOREA
Bachelor of Mechanical Engineering, 2007-2011.
■ Research Experience
Absolute distance measurement with traceability to length standards using frequency comb
- State-of-art high precision and high speed distance measurement by electro-optic comb based spectral interferometry. Link-1, Link-2 .
- State-of-art high precision distance measurement by frequency-comb-referenced multi-wavelength interfeormetry (MWI) for length standard. Link-1, Link-2.
- Real time air refractive index compensation with 10-8 uncertainty for absolute distance measurement. Link.
- Compact absolute distance meter for formation flying of satellites. Link.
- AMCW ranging towards on-chip LIDAR. Link-1, Link-2.
Applications of microresonator and soliton Kerr comb.
- Chip-scale ultraprecision distance measurement by mode-locked soliton pulse from microresonator. Link.
- Extremely small displacement measurement using PDH locking technique. Link.
Developments of ultra-fast optical sources.
- High repetition rate (> 10 GHz) electro-optic frequencyh comb. Link-1, Link-2.
- Development of Er-doped fiber femtosecond oscillator and stabilization of frequency comb. Link .
- Environmental robust polarization maintaining (PM) fiber femtosecond oscillator with SESAM. Link-1, Link-2, Link-3.
- Space qualified fiber femtosecond oscillator. Link-1, Link-2.
- Optical frequency generation referenced to the optical frequency comb for absolute distance measurement. Link.
Ultra-fast and nonlinear characteristics of optical material using femtosecond laser.
- Ultra-fast and nonlinear characteristics of semiconductor saturable absorber under Gamma-ray radiation. Link.
■ Membership
Optical Society of America, Korea Society for Precision Engineering , Optical Society of Korea
- Full member
■ Contact
Address : Korea Research Institute of Standards and Science (KRISS),
267 Gajeong-ro, Yuseong-gu, Daejeon 34113, Rep. of KOREA
E-mail : ysj at kriss dot re dot kr
Web : www.kriss.re.kr sites.google.com/site/combsmith1
(Updated date : March 26, 2024)
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