Yoon-Soo Jang, Ph.D.

■ ORCID profile Link

■ Google scholar profile Link

■ 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)