Hong-Gyu Park
  Postdoctoral Fellow in Lieber group
  Department of Chemistry and Chemical Biology at Harvard University
  12 Oxford Street, Cambridge, MA 02138
  (e-mail: hgpark@cml.harvard.edu)
 

Education

• 2.1994   Graduated from Han-Sung Science High School
• 2.1998   B. S. in Physics at KAIST (GPA: 3.97/4.3, Honor Graduate)
• 2.2000   M. S. in Physics at KAIST (GPA: 4.11/4.3, The First Rank in Dept. of Physics)
• 8.2004   Ph. D. in Physics at KAIST (Advisor: Prof. Yong-Hee Lee)
               (Ph. D. Thesis: Characteristics of two-dimensional photonic crystal lasers)

• 3.1999-2.2002   Teaching assistant in Dept. of Physics at KAIST
                           (General physics, Advanced Electrodynamics, Mathematical physics, Optics laboratory)
• 8.2003-9.2003   Co-researcher in Prof. Shanhui Fan group at Stanford University
• 9.2004-3.2005   Postdoctoral fellow in Prof. Yong-Hee Lee group at KAIST
• 4.2005-now       Postdoctoral fellow in Prof. Charles M. Lieber group at Harvard University

• High performance nanophotonics
• Synthesis, functional engineering and fundamental study of semiconductor nanowire structures
• Wavelength-scale active and passive photonic crystal structures with high-quality factors
• All-optical devices and optical integrated circuits
• Novel nanofabrication techniques

• 2.2005   Best Doctoral Thesis Award (Optics) from Dept. of Physics at KAIST
• 2.2005   Postdoctoral Scholarship from Korean Research Foundation
• 4.2005   Best Young Physicist Award from Korean Physical Society

• Journal Reviewer: Nano Letters (American Chemistry Society) and IEEE Photonics Technology Letters (IEEE)
• Member of Korean Physical Society and Optical Society of Korea

1. J. K. Hwang, H. Y. Ryu, D. S. Song, I. Y. Han, H. W. Song, H. K. Park, Y. H. Lee, and D. H. Jang, "Room-temperature triangular-lattice two-dimensional photonic band gap lasers operating at 1.54 um," Appl. Phys. Lett. 76, 2982-2984 (2000).
2. J. K. Hwang, H. Y. Ryu, D. S. Song, I. Y. Han, H. K. Park, D. H. Jang, and Y. H. Lee, "Continuous room-temperature operation of optically pumped two-dimensional photonic crystal lasers at 1.6 um," IEEE Photon. Technol. Lett. 12, 1295-1297 (2000).
3. Hong-Gyu Park, Jeong-Ki Hwang, Joon Huh, Han-Youl Ryu, Yong-Hee Lee, and Jeong-Soo Kim, "Nondegenerate monopole-mode two-dimensional photonic band gap laser," Appl. Phys. Lett. 79, 3032-3034 (2001).
[pdf]
4. Han-Youl Ryu, Se-Heon Kim, Hong-Gyu Park, Jeong-Ki Hwang, Yong-Hee Lee, and Jeong-Soo Kim, "Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode," Appl. Phys. Lett. 80, 3883-3885 (2002).
5. Dae-Sung Song, Se-Heon Kim, Hong-Gyu Park, Chang-Kyu Kim, and Yong-Hee Lee, "Single-fundamental-mode photonic-crystal vertical-cavity surface-emitting lasers," Appl. Phys. Lett. 80, 3901-3903 (2002).
6. Dong-Jae Shin, Se-Heon Kim, Jeong-Ki Hwang, Han-Youl Ryu, Hong-Gyu Park, Dae-Sung Song, and Yong-Hee Lee, "Far- and near-field investigations on the lasing modes in two dimensional photonic crystal slab lasers," IEEE J. Quantum Electron. 38, 857-866 (2002).
7. Han-Youl Ryu, Hong-Gyu Park, and Yong-Hee Lee, "Two-dimensional photonic crystal semiconductor lasers: Computational design, fabrication, and characterization," IEEE J. Selected Topics in Quantum Electron. 8, 891-908 (2002).
8. Se-Heon Kim, Han-Youl Ryu, Hong-Gyu Park, Guk-Hyun Kim, Yong-Seok Choi, Yong-Hee Lee, and Jeong-Soo Kim, "Two-dimensional photonic crystal hexagonal waveguide ring laser," Appl. Phys. Lett. 81, 2499-2501 (2002).
9. Hong-Gyu Park, Jeong-Ki Hwang, Joon Huh, Han-Youl Ryu, Se-Heon Kim, Jeong-Soo Kim, and Yong-Hee Lee, "Characteristics of modified single-defect two-dimensional photonic crystal lasers," IEEE J. Quantum Eletron. 38, 1353-1365 (2002).
[pdf]
10. Dong-Yel Kang, Hong-Gyu Park, Han-Youl Ryu, and Yong-Hee Lee, "Uncoupling spectral region in two-dimensional square lattice photonic crystals," Journal of Optical Society of Korea 7, 34-37 (2003).
11. Han-Youl Ryu, Se-Heon Kim, Hong-Gyu Park, and Yong-Hee Lee, "Characteristics of single defect laser modes in a two-dimensional square lattice photonic crystal slab," J. Appl. Phys. 93, 831-837 (2003).
12. Hong-Gyu Park, Sun-Kyung Kim, Soon-Hong Kwon, Guk-Hyun Kim, Se-Heon Kim, Han-Youl Ryu, Sung-Bock Kim, and Yong-Hee Lee, "Single-mode operation of two-dimensional photonic crystal laser with central post," IEEE Photon. Technol. Lett. 15, 1327-1329 (2003).
[pdf]
13. Se-Heon Kim, Guk-Hyun Kim, Sun-Kyung Kim, Hong-Gyu Park, Yong-Hee Lee, and Sung-Bock Kim, "Characteristics of a stick resonator in a two-dimensional photonic crysal slab," J. Appl. Phys. 95, 411-416 (2004).
14. Sun-Kyung Kim, Se-Heon Kim, Guk-Hyun Kim, Hong-Gyu Park, Dong-Jae Shin, and Yong-Hee Lee, "Highly directional emission from few-micron size elliptical microdisks," Appl. Phys. Lett. 84, 861-863 (2004).
15. Jin-Kyu Yang, Se-Heon Kim, Guk-Hyun Kim, Hong-Gyu Park, Yong-Hee Lee, and Sung-Bock Kim, "Slab-edge modes in two-dimensional photonic crystals," Appl. Phys. Lett. 84, 3016-3018 (2004).
16. Hong-Gyu Park, Se-Heon Kim, Soon-Hong Kwon, Young-Gu Ju, Jin-Kyu Yang, Jong-Hwa Baek, Sung-Bock Kim, and Yong-Hee Lee, "Electrically Driven Single-Cell Photonic Crystal Laser," Science 305, 1444-1447 (2004).
[pdf] [SOM]
[Materials Today] [OE Magazine] [Technology Review] [TRN Magazine] [Donga Ilbo] [Donga Ilbo] [Weekly Chosun]
17. Y.-S. Choi, S.-K. Kim, S.-H. Kim, H.-G. Park, Y.-H. Lee, I. N. Kaiander, F. Hopfer, R. L. Sellin, and D. Bimberg, "Lithographic tuning of photonic-crystal unit-cell resonators with InGaAs/GaAs quantum dots emitting at 1.2 um," J. Vac. Sci. Technol. B 23, 252-256 (2005).
18. Hong-Gyu Park, Se-Heon Kim, Min-Kyo Seo, Young-Gu Ju, Sung-Bock Kim, and Yong-Hee Lee, "Characteristics of electrically driven two-dimensional photonic crystal lasers," IEEE J. Quantum Eletron. 41, 1131-1141 (2005).
[pdf]
19. Silvija Gradecak, Fang Qian, Yat Li, Hong-Gyu Park, and Charles M. Lieber, "GaN nanowire lasers with low lasing threshoholds," Appl. Phys. Lett. 87, 173111 (2005).
[pdf]
[Virtual journal]
20. Carl J. Barrelet, Jiming Bao, Marko Loncar, Hong-Gyu Park, Federico Capasso, and Charles M. Lieber, "Hybrid single nanowire photonic crystal and microresonator structures," Nano. Lett. 6, 11-15 (2006).
[pdf]
[Photonics Spectra]

Conference and Workshop Presentations

A.   International conference and workshop

1. J. K. Hwang, H. Y. Ryu, D. S. Song, I. Y. Han, H. W. Song, H. G. Park, Y. H. Lee, and D. H. Jang, "Room-temperature 2-D photonic bandgap single defect laser," LEOS, San Francisco, USA (1999).
2. J. K. Hwang, H. Y. Ryu, D. S. Song, I. Y. Han, H. G. Park, Y. H. Lee, and D. H. Jang, "Continuous room-temperature operation of optically pumped two-dimensional photonic crystal lasers at 1.6 um," CLEO/QELS, San Francisco, USA (2000).
3. J. Huh, J. K. Hwang, H. G. Park, H. Y. Ryu, and Y. H. Lee, "Nondegenerate monopole mode of the single-defect two-dimensional triangular photonic band gap cavity," CLEO/QELS, Baltimore, USA (2001).
4. H. G. Park, J. K. Hwang, J. Huh, H. Y. Ryu, J. S. Kim, and Y. H. Lee, "Nondegenerate monopole mode two-dimensional photonic band gap laser," MRS, Boston, USA (2001).
5. Se-Heon Kim, Han-Youl Ryu, Hong-Gyu Park, Guk-Hyun Kim, Yong-Hee Lee, and Jeong-Soo Kim, "Two-dimensional photonic crystal ring laser," CLEO/QELS, Long Beach, USA (2002).
6. Dae-Sung Song, Se-Heon Kim, Hong-Gyu Park, Chang-Kyu Kim, and Yong-Hee Lee, "Single-mode photonic crystal vertical cavity surface emitting laser," CLEO/QELS, Long Beach, USA (2002).
7. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and S. H. Kwon, "Low threshold single cell 2-D photonic crystal lasers," (Invited) IEICE, Tokyo, Japan (2002).
8. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and S. H. Kwon, "Low threshold photonic crystal lasers," (Invited) OECC, Japan (2002).
9. Y. H. Lee, J. K. Hwang, H. Y. Ryu, and H. G. Park, "2-D unit-cell photonic band gap nanolasers," (Invited) EMC, Santa Barbara, CA, USA (2002).
10. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and S. H. Kwon, "III-V semiconductor photonic crystal active devices," (Invited) OAA-IPR, Vancouver, Canada (2002).
11. Yong H. Lee, Han. Y. Ryu, and Hong G. Park, "Low threshold photonic crystal lasers," (Invited) LEOS, Glasgow, Scotland (2002).
12. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and S. H. Kwon, "2-D slab photonic crystal InGaAsP lasers," (Invited) MRS, Boston, USA (2002).
13. Sun-Kyung Kim, Hong-Gyu Park, Se-Heon Kim, Soon-Hong Kwon, Guk-Hyun Kim, and Yong-Hee Lee, "Far- and near-field imaging of whispering gallery modes in elliptically deformed microdisk lasers,"CLEO/QELS, Baltimore, USA (2003).
14. Jin-Kyu Yang, Se-Heon Kim, Guk-Hyun Kim, Hong-Gyu Park, and Yong-Hee Lee, "Lasing from slab edge mode of free-standing two-dimensional photonic crystal," CLEO/QELS, Baltimore, USA (2003).
15. Keum-Hee Lee, Dae-Sung Song, Yong-Jae Lee, Hong-Gyu Park, Se-Heon Kim, and Yong-Hee Lee, "Polarization-controlled, single-mode photonic crystal vertical cavity surface emitting lasers," CLEO/QELS, Baltimore, USA (2003).
16. Se-Heon Kim, Guk-Hyun Kim, Hong-Gyu Park, and Yong-Hee Lee, "Characteristics of waveguide-type lasers in a two-dimensional photonic crystal slab," OSA, Arizona, USA (2003).
17. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and S. H. Kwon, "Ultra-small photonic crystal active devices," (Invited) OSA, Arizona, USA (2003).
18. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kwon, and S. H. Kim, "Ultra-small 2-D photonic crystal light sources," (Invited) NCOA, Thailand (2004).
19. Sun-Kyung Kim, Se-Heon Kim, Hong-Gyu Park, and Yong-Hee Lee, "Far-field characteristics of unit cell modes in photonic-crystal-slab nanocavities," PECS-V, Kyoto, Japan (2004).
20. Yong-Seok Choi, Sun-Kyung Kim, Se-Heon Kim, Hong-Gyu Park, and Yong-Hee Lee, "High-Q photonic-crystal nanocavity with self-assembled InGaAs quantum dots," PECS-V, Kyoto, Japan (2004).
21. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and M. Notomi, "Wavelength-size high-Q photonic crystal resonator with central node," (Invited) PECS-V, Kyoto, Japan (2004).
22. Hong-Gyu Park, Young-Gu Ju, Soon-Hong Kwon, Sung-Bock Kim, and Yong-Hee Lee, "Characteristics of two-dimensional photonic crystal laser with central post," PECS-V, Kyoto, Japan (2004).
23. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kwon, and S. H. Kim, "Ultra-small 2-D photonic crystal lasers," ISPSA, Gyeongju, Korea (2004).
24. Y. H. Lee, H. Y. Ryu, and H. G. Park, "Ultra-small 2-D photonic crystal lasers," (Invited) MRS, San Francisco, USA (2004).
25. Y. H. Lee, H. Y. Ryu, H. G. Park, S. H. Kim, and I. K. Hwang, "Ultra-small photonic crystal lasers," (Invited) OSA Topical meeting, Hawaii, USA (2004).
26. Y. H. Lee, H. G. Park, S. H. Kim, S. H. Kwon, and I. K. Hwang, "Ultra-small active photonic crystal devices and physics," STAR, Paris, France (2004).
27. Y. H. Lee, H. G. Park, S. H. Kim, S. H. Kwon, and I. K. Hwang, "Ultra-small active photonic crystal devices and physics," (Invited) Micro-and Nano-Engineering (MEN), Rotterdam, Netherlands (2004).
28. Hong-Gyu Park and Yong-Hee Lee, "Electrically driven photonic crystal laser," The 5th International Workshop on Semiconductor Quantum Structures, SNU, Seoul, Korea (2004).
29. Hong-Gyu Park and Yong-Hee Lee, "Electrically injected photonic crystal lasers," (Invited) Information Photonics Topical Meeting, Charlotte/North Carolina, USA (2005).
30. Hong-Gyu Park, Se-Heon Kim, and Yong-Hee Lee, "Photonic crystal nanolasers by optical and electrical pump," (Invited) IQEC/CLEO-PR2005, Japan (2005).
31. Yong-Hee Lee and Hong-Gyu Park, "Electrically driven photonic crystal light emitters," (Invited) Optics East, Boston, USA (2005).
32. Marko Loncar, Carl J. Barrelet, Jiming Bao, Hong-Gyu Park, Charles M. Lieber, and Federico Capasso, "Semiconductor nanowires embedded in optical microcavities," CLEO/QELS, Long Beach, USA (2006).
33. Hong-Gyu Park, Carl J. Barrelet, Jiming Bao, Marko Loncar, Federico Capasso, and Charles M. Lieber, "Hybrid single nanowire photonic crystal structure," CLEO/QELS, Long Beach, USA (2006).
34. Carl J. Barrelet, Hong-Gyu Park, Jiming Bao, Marko Loncar, Federico Capasso, and Charles M. Lieber, "Hybrid single-nanowire photonic crystal and microresonator structures," ACS, San Francisco, USA (2006).
35. Carl J. Barrelet, Hong-Gyu Park, Yongning Wu, and Charles M. Lieber, "Active semiconductor nanowires for functional photonic circuit elements," accepted, MRS, Boston, USA (2006).

1. H. G. Park, J. K. Hwang, J. Huh, H. Y. Ryu, J. S. Kim, and Y. H. Lee, "Two-dimensional nondegenerate monopole-mode photonic bandgap laser," Optical Society of Korea Summer, Korea (2001).
2. D. S. Song, Y. J. Lee, K. H. Lee, S. H. Kim, H. G. Park, C. K. Kim, and Y. H. Lee, "Photonic crystal vertical cavity surface emitting lasers," (Invited) Optical Society of Korea Winter, Korea (2003).
3. H. G. Park, Y. H. Lee, and H. Y. Ryu, "Two-dimensional photonic crystal lasers," Quantum-Dot workshop, Muju, Korea (2003).
4. H. G. Park, H. Y. Ryu, and Y. H. Lee, "Photonic crystal slab light emitting structures," Quantum Semiconductor Structure Workshop, Muju, Korea (2003).
5. S. K. Kim, S. H. Kim, H. G. Park, and Y. H. Lee, "Highly directional emission from few-micron size elliptical microdisks," Optical Society of Korea Winter, Korea (2004).
6. H. G. Park and Y. H. Lee, "Electrically driven photonic crystal laser," (Invited) Korean Physical Society, Jeju National University, Korea (2004).