Sungchul Hohng

 

Professor

Department of Physics & Astronomy

Seoul National University

 

office: 56-422

Tel. 82-2-880-6593

fax. 82-2-884-3002

e-mail: shohng at snu.ac.kr

 

EDUCATION

2000: Ph.D. in Physics, Seoul National University, S. Korea.

Thesis: Studies of anomalous anti-Stokes and Stokes transfer phenomena in seimconductor heterostructures (mentor: Dai-Sik Kim)

1996: M.S. in Physics, Seoul National University, S. Korea.

1994: B.S. in Physics, Seoul National University, S. Korea.

 

WORK EXPERIENCE

Sept. 2015 – current: Professor, Department of Physics and Astronomy, Seoul National University.

Sept. 2006 – Aug. 2015:Assistant/Associate Professor, Department of Physics and Astronomy, Seoul National University.

2002 – Aug. 2006: Postdoctoral Research Associate, Department of Physics, University of Illinois at Urbana-Champaign.

2001: Postdoctoral Research Associate (mentor: Dai-Sik Kim), Department of Physics, Seoul National University, S. Korea.

2000: Postdoctoral Research Associate (mentor: Wonho Jhe) Center for Near-field Atom-photon Technology, Seoul National University, S. Korea.

 

 

Research highlight in single-molecule biophysics

 

JOURNAL PAPERS

21. Sungchul Hohng and Takejip Ha, "Single-molecule quantum-dot Fluorescence resonance energy transfer", ChemPhysChem 6, 956 (2005) .

20. S. C. Hohng, D. S. Kim, Y. C. Yoon, V. Malyarchuk, Ch. Lienau, J. W. Park, K. H. Yoo, J. Kim, S. H. Han and Q-Han Park, "Evolution of the Near-Field Patterns into the Far-Field in Surface Plasmonic Band Gap Nano-Structures" J. Kor. Phys. Soc. 46, S205 (2005).

19. Michelle K. Nahas, Timoty J. Wilson, Sungchul Hohng, Kaera Jarvie, David M. J. Lilley, and Taekjip Ha, "Observation of internal cleavage and ligation reactions of a ribozyme", Nat. Struct. Mol. Biol., 11, 1107 (2004).

18. Sungchul Hohng, Chirlmin Joo, and Taekjip Ha, "Single-Molecule Three-Color FRET", Biophys. J. 87, 1328 (2004), highlighted by Biophotonics International  (Sep. 2004).

17. Robert Brunner, Matthias Burkhardt, Alexander Pesch, Oliver Sandfuchs, Margit Ferstl, Sungchul Hohng, and Jeffrey O. White, "Diffraction based solid immersion lens", J. Opt. Soc. Am. A 21, 1186 (2004).

16. Sungchul Hohng, and Taekjip Ha, " Near-complete suppression of quantum dot blinking in ambient conditions" & Supporting Material, J. Am. Chem. Soc. as Communications 126,  1324 (2004), highlited by Nature Materials (Jan. 2004) and Materials Today (Mar. 2004).

15. Sungchul Hohng, Timothy Wilson, Elliot Tan, Robert M. Clegg, David M. J. Lilley, and Taekjip Ha, "Conformational Flexibility of Four-way Junctions in RNA", J. Mol. Biol. 336, 69 (2004).

14. D. S. Kim, S. C. Hohng, V. Malyarchuk, Y. C. Yoon, Y. H. Ahn, K. J. Yee, J. W. Park, J. Kim, Q. H. Park, and C. Lienau, "Microscopic Origin of Surface-Plasmon Radiation in Plasmonic Band-Gap Nanostructures", Phys. Rev. Lett. 91, 143901 (2003).

13. S. C. Hohng, Y. C. Yoon, D. S. Kim, V. Malyarchuck, R. Müller, Ch. Lienau, J. W. Park, K. H. Yoo, J. Kim, H. Y. Ryu, and Q. H. Park, "Light emission from the shadows: Surface plasmon nano-optics at near and far fields", Appl. Phys. Lett. 81, 3239 (2002), highlighted by Photonics Spectra (Dec. 2002).

12. S. C. Hohng, Y. C. Yoon, D. S. Kim, V. Malyarchuck, Ch. Lienau, J. W. Park, K. H. Yoo, and H. Y. Ryu, "Transmission, control and coherent propagation of surface plasmons in metal nanostructures", Opt. Poton. News 12, 32 (2001).

11. Y. D. Jho, J. Y. Lee, J. S. Yahng, K. J. Yee, S. C. Hohng, D. S. Kim, "Real-to-virtual transition in bulk GaAs: the thickness dependence" , J. Kor. Phys. Soc. 37, 728 (2000).

10. D. S. Yee, K. J. Yee, S. C. Hohng, D. S. Kim, T. Meier, and S. W. Koch, "Coherent control of absorption and polarization decay in a GaAs quantum well: Time and spectral domain studies" , Phys. Rev. Lett. 84, 3474 (2000).

9. S. C. Hohng, D. W. Khang, Y. H. Ahn, J. Y. Lee, S. Y. Kihm, D. H. Kim, W. S. Kim, J. C. Woo, D. S. Kim, D. S. Citrin, D. H. Woo, E. K. Kim, S. H. Kim, and K. S. Lim, "Two color picosecond and CW experiments on the anti-Stokes and Stokes carrier transfer phenomena in GaAs/AlxGa1-xAs and InGaP2/AlxGa1-xAs heterostructures"Phys. Rev. B 60, 8883 (1999).

8. S. C. Hohng, and D. S. Kim, "Two-color picosecond experiments on anti-Stokes photoluminescence in GaAs/AlGaAs asymmetric double quantum wells”,   Appl. Phys. Lett. 75, 3620 (1999).

7. Y. H. Ahn, J. S. Yahng, J. Y. Sohn, K. J. Yee, S. C. Hohng, J. C. Woo, D. S. Kim, T. Meier, S. W. Koch, Y. S. Lim, and E. K. Kim, "From exciton resonance to frequency mixing in the GaAs multiple quantum wells", Phys. Rev. Lett. 82, 3879 (1999).

6. D. S. Kim, J. Y. Sohn, J. S. Yahng, Y. H. Ahn, K. J. Yee, D. S. Yee, Y. D. Jho, S. C. Hohng, D. H. Kim, W. S. Kim, J. C. Woo, T. Meier, S. W. Koch, D. H. Woo, E. K. Kim, S. H. Kim, and  C. S. Kim, "Femtosecond four-wave mixing experiments on GaAs quantum wells using two independently tunable lasers", Phys. Rev. Lett. 80, 4803 (1998).

5. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hohng, Y. H. Yee, W. S. Kim, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, and K. N. Kang, "Anomalous real space charge transfer through thick barriers in GaAs/AlxGa1-xAs  asymmetric double quantum wells: AlxGa1-xAs as a percolating barriers", Solid State Commun. 100, 231 (1996).

4. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hong, Y. H. Yee, D. S. Yee, J. S. Khim, W. S. Kim, and J. C. Woo, "Anti-Stokes luminescence in a coupled system: a natural consequence of quantum oscillation", Prog. Crystal Growth and Charact. 33, 161 (1996).

3, D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hohng, Y. H. Yee, D. S. Yee, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, and K. N. Kang, "Thick AlxGa1-xAs: An intrinsically percolating barrier owing to its microscopic structural inhomogeneity", Appl. Phys. Lett. 69, 2513 (1996).

2. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hohng, Y. H. Yee, W. S. Kim, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, and K. N. Kang, "Percolation of carriers through low potential channels in thick AlxGa1-xAs (x < 0.35) barriers", Phys. Rev. B 54, 14580 (1996).

1, D. S. Kim, H. S. Ko, Y. S. Lim, Y. M. Kim, J. S. Lee, S. J. Rhee, W. S. Kim, S. C. Hong, Y. H. Yee, J. S. Khim, J. M. Jung, S. Huhr, J. H. Lee. J. S. Chang, B. D. Choe, J. C. Woo, P. H. Song, H. J. Choi, S. H. Jhi, J. Ihm, E. J. Shin, D. Kim, D. H. Woo, K. N. Kang, and J. J. Song, "Going beyond the mean-field approximations of alloys and alloy superlattices: a few puzzles solved", J. Opt. Soc. Am. B 13, 1210 (1996).

 

REVIEW ARTICLES AND BOOK CHAPTERS

2. Sungchul Hohng, and Taekjip Ha, "Study of biomolecules using single-molecule FRET", Physics and High Technology (in Korean), 14 (7/8) (2005).

1. Sungchul Hohng, and Taekjip Ha, “Single-molecule FRET”, a chapter in a book entitled “Molecular Imaging: FRET microscopy and Spectroscopy”, Oxford University Press (2005).

 

NEWS APPEARANCE

News on Biophotonics International, Sep., 24-27 (2004).

Research News on Materials Today, Mar. (2004).

News & fetures on Nature Materials, Jan. 29 (2004).

Photonics Research on Photonics Spectra, Dec. (2002).