Professors

Department of Physics & Astronomy
최현용
Hyunyong ChoiAssociate Professor
Office : 56-306 , +82-2-880-4225
Lab. : 22-221
http://choigroup.snu.ac.kr/ (Ultrafast Quantum Photonics Laboratory)

Education

  • · 2004-2007; Ph.D. in Electrical Engineering and Computer Science, University of Michigan, Ann Arbor
  • · 2002-2004; M.S. in Electrical Engineering and Computer Science, University of Michigan, Ann Arbor
  • · 1996-2002; B.S. in Electrical Engineering, Yonsei University

Career

  • · 2019.9-present; Associate Professor, Department of Physics and Astronomy, Seoul National University
  • · 2018.3-2019.2; Visiting Professor, Department of Applied Physics and SLAC National Accelerator Laboratory, Stanford University
  • · 2015.8-2019.8; Associate Professor, School of Electrical and Electronic Engineering, Yonsei University
  • · 2011.3-2015.8; Assistant Professor, School of Electrical and Electronic Engineering, Yonsei University
  • · 2008.1-2010.12; Postdoctoral Fellow, Lawrence Berkeley National Laboratory

Research Interests

Selected Publications in the last 5 years

  1. [invited review] C. In and H. Choi†, "Dirac Fermion and Plasmon Dynamics in Graphene and Three-Dimensional Topological Insulators", Advanced Optical Materials, 1801334 (2019)
  2. S. Cha*, M. Noh*, J.-H. Kim, J. Son, H. Bae, D. Lee, H. Kim, J. Lee, H. Shin, S. Sim, S. Yang, S. Lee, W. Shim, C.-H. Lee, M.-H. Jo, J. S. Kim, D. Kim, and H. Choi†, "Generation, transport, and detection of valley-locked spin photocurrent in WSe2-graphene-Bi2Se3 heterostructures", Nature Nanotechnology 13, 910-914 (2018)
  3. S.-Y. Seo, J. Park, J. Park, K. Song, S. Cha, S. Sim, S. -Y. Choi, H. W. Yeom, H. Choi, and M. -H. Jo†, “Writing of Monolithic Integrated Circuits on a Two-Dimensional van der Waals Semiconductor with a Scanning Light Probe", Nature Electronics 1, 512-517 (2018)
  4. S. Sim, D. Lee, A. V. Trifonov, T. Kim, S. Cha, J. H. Sung, S. Cho, W. Shim, M. -H. Jo†, and H. Choi†, "Ultrafast quantum beats of anisotropic excitons in atomically thin ReS2", Nature Communications 9, 351 (2018)
  5. S. Sim*, D. Lee*, M. Noh, S. Cha, C. H. Soh, J. H. Sung, M. H. Jo, and H. Choi†, "Selectively tunable optical Stark effect of anisotropic excitons in atomically thin ReS2", Nature Communications 7, 13569 (2016)
  6. S. Cha*, J. H. Sung*, S. Sim, J. Park, H. Heo, M.-H. Jo†, and H. Choi†, “1s intraexcitonic dynamics in monolayer MoS2 probed by ultrafast mid-infrared spectroscopy”, Nature Communications 7, 10768 (2016)
  7. S. Sim, H. Jang, N. Koirala, M. Brahlek, J. Moon, J. H. Sung, J. Park, S. Cha, S. Oh, M.-H. Jo, J.-H. Ahn, and H. Choi†, “Ultra-high modulation depth exceeding 2,400 % in the optically-controlled topological surface plasmons”, Nature Communications 6, 8814 (2015)
  8. D. B. Velusamy, R. H. Kim, S. Cha, J. Huh, R. Khazaeinezhad, S. H. Kassani, G. Song, S. M. Cho, S. H. Cho, I. Hwang, J. Lee, K. Oh, H. Choi†, and C. Park†, “Flexible transition metal dichalcogenide nanosheets for band selective photo-detection”, Nature Communications 6, 8063 (2015)