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S. Y. Choi

 
Choi, Sun Young (최선영)
 
Ajou University, Department of Physics & Division of Energy Systems Research
Ph.D. : AJou University, Applied physics, 2015
M. S. : AJou University, Applied physics, 2010
B. S. : Ajou University, Physics, 2008
Research area : Nanophotonic devices based on carbon nanostructures, Femtosecond lasers
E-mail : psyturtle@gmail.com

 
Publications
 
Journals
  1. H. Jeong, S. Y. Choi, M. H. Kim, F. Rotermund, Y.-H. Cha, D.-Y. Jeong, S. B. Lee, K. Lee, and D.-I. Yeom, "All-fiber Tm-doped soliton laser oscillator with 6 nJ pulse energy based on evanescent field interaction with monolayer graphene saturable absorber," Opt. Express 24, 14153 (2016).
  2. R. Lan, P. Loiko, X. Mateos, Y. Wang, J. Li, Y. Pan, S. Y. Choi, M. H. Kim, F. Rotermund, A. Yasukevich, K. Yumashev, U. Griebner, and V. Petrov, "Passive Q-switching of microchip lasers based on Ho:YAG ceramics," Appl. Opt. 55, 4877 (2016).
  3. C. Kim, D. Kim, Y.J. Cheong, D. Kwon, S. Y. Choi, H. Jeong, S. J. Cha, J.-W. Lee, D.-I. Yeom, F. Rotermund, and J. Kim, "300-MHz-repetition-rate, all-fiber, femtosecond laser mode-locked by planar lightwave circuit-based saturable absorber," Opt. Express 23, 26234 (2015).
  4. N. H. Park, H. Jeong, S. Y. Choi, M. H. Kim, F. Rotermund, and D.-I. Yeom, "Monolayer graphene saturable absorbers with strongly enhanced evanescent-field interaction for ultrafast fiber laser mode-locking," Opt. Express 23, 19806 (2015).
  5. E. J. Lee+, S. Y. Choi+, H. Jeong+, N. H. Park, W. Yim, M. H. Kim, J.-K. Park, S. Son, S. Bae, S. J. Kim, Y. H. Ahn, K. J. Ahn, B. H. Hong, J.-Y. Park, F. Rotermund*, D.-I. Yeom*, "Active control of all-fibre graphene devices with electrical gating," Nature Commun. 6, 6851 (2015).
  6. S. Y. Choi, T. Calmano, M. H. Kim, D.-I. Yeom, C. Kränkel, G. Huber, F. Rotermund, "Q-switched operation of a femtosecond-laser-inscribed Yb:YAG channel waveguide laser using carbon nanotubes," Opt. Express 23, 7999 (2015).
  7. J. W. Kim, S. Y. Choi, S. Aravazhi, M. Pollnau, U. Griebner, V. Petrov, S. Bae, K. J. Ahn, D.-I. Yeom, F. Rotermund, "Graphene Q-switched Yb:KYW planar waveguide laser," AIP Adv. 5, 017110 (2015).
  8. V. Aleksandrov, A. Gluth, V. Petrov, I. Buchvarov, S. Y. Choi, M. H. Kim, F. Rotermund, X. Mateos, F. Diaz, and U. Griebner, "Tm,Ho:KLu(WO4)2 laser mode-locked near 2 μm by single-walled carbon nanotubes," Opt. Express 22, 26872 (2014).
  9. H. Jeong, S. Y. Choi, F. Rotermund, Y.-H. Cha, D.-Y. Jeong, D.-I. Yeom "All-fiber mode-locked laser oscillator with pulse energy of 34 nJ using a carbon nanotube saturable absorber," Opt. Express 22, 22667 (2014).
  10. S. Y. Choi, J. W. Kim, M. H. Kim, D.-I. Yeom, B. H. Hong, X. Mateos, M. Aguilo, F. Diaz, V. Petrov, U. Griebner, F. Rotermund, "Carbon nanostructure-based saturable absorber mirror for a diode-pumped 500-MHz femtosecond Yb:KLu(WO4)2 laser," Opt. Express 22, 15626 (2014).
  11. Y. Zhang, V. Petrov, U. Griebner, X. Zhang, S. Y. Choi, J. Y. Gwak, F. Rotermund, X. Mateos, H. Yu, H. Zhang, J. Liu, "90-fs diode-pumped Yb:CLNGG laser mode-locked using single-walled carbon nanotube saturable absorber," Opt. Express 22, 5635 (2014).
  12. H. Yang, H. Kim, J. Shin, C. Kim, S. Y. Choi, G. H. Kim, F. Rotermund, J. Kim, “Gigahertz repetition rate, sub-femtosecond timing jitter optical pulse train directly generated from a  mode-locked Yb:KYW laser,” Opt. Lett. 39, 56 (2014).
  13. S. Y. Choi, H. Jeong, B. H. Hong, F. Rotermund, D.-I. Yeom, “All-fiber dissipative soliton laser with 10.2 nJ pulse energy using an evanescent field interaction with graphene saturable absorber," Laser Phys. Lett. 11, 015101 (2014).
  14. J. W. Kim, S. Y. Choi, D.-I. Yeom, S. Aravazhi, M. Pollnau, U. Gruebner, V. Petrov, F. Rotermund, "Yb:KYW planar waveguide laser Q-switched by evanescent-field interaction with carbon nanotubes," Opt. Lett. 38, 5090 (2013).
  15. H. Jeong, S. Y. Choi, F. Rotermund, D.-I. Yeom, "Pulse width shaping of passively mode-locked fiber laser via polarization control in carbon nanotube saturable absorber,” Opt. Express 21, 27011 (2013).
  16. S. D. D. D. Cafiso, E. Ugolotti, A. Schmidt, V. Petrov, U. Griebner, A. Agnesi, W. B. Cho, Y. G. Zhang, S. Y. Choi, F. Rotermund, G. Reali, F. Pirzio, "Sub-50-fs mode-locking of the Cr:YAG laser using SWCNT-SA," Laser Phys. Lett. 10, 085801 (2013).
  17. K. Seger, N. Meiser, S. Y. Choi, B. H. Jung, D.-I. Yeom, F. Rotermund, O. Okhotnikov, F. Laurell, V. Pasiskevicius, "Carbon nanotube mode-locked optically-pumped semiconductor disk laser," Opt. Express 21, 17806 (2013).
  18. H. Jeong, S. Y. Choi, E. I. Jeong, S. J. Cha, F. Rotermund, D.-I. Yeom, "Ultrafast mode-locked soliton fiber laser using a waveguide-type saturable absorber based on single-walled carbon nanotubes," Appl. Phys. Express 6, 052705 (2013).
  19. J. W. Kim, S. Y. Choi, B. H. Jung, D.-I. Yeom, F. Rotermund, "Applicability of graphene flakes as saturable absorber for bulk laser mode-locking," Appl. Phys. Express 6, 032704 (2013).
  20. H.-W. Yang, C. Kim, S. Y. Choi, G.-H. Kim, Y. Kobayashi, F. Rotermund, J. Kim, "1.2-GHz repetition rate, diode-pumped femtosecond Yb:KYW laser mode-locked by a carbon nanotube saturable absorber mirror," Opt. Express 20, 29518 (2012).
  21. A. Schmidt, S. Y. Choi, D. -I. Yeom, F. Rotermund, X. Mateos, M. Segura, F. Diaz, V. Petrov, and U. Griebner, "Femtosecond pulses near 2 μm from a Tm:KLuW laser mode-locked by a single-walled carbon nanotube saturble absorber," Appl. Phys. Express, 5, 092704 (2012).
  22. F. Rotermund, W. B. Cho, S. Y. Choi, I. H. Baek, J. H. Yim, S. Lee, A. Schmidt, G. Steinmeyer, U. Griebner, D.-I. Yeom, K. Kim, V. Petrov, "Mode-locking of solid-state lasers by single-walled carbon-nanotube based saturable absorbers," Quantum Electron. 42, 663 (2012).
  23. I. Baylam, S. Ozharar, H. Cankaya, S. Y. Choi, K. Kim, F. Rotermund, U. Griebner, V. Petrov, and A. Sennaroglu, "Energy scaling of a carbon nanotube saturable absorber mode-locked femtosecond bulk laser," Opt. Lett. 37, 3555 (2012).
  24. C. S. Jun, S. Y. Choi, F. Rotermund, B. Y. Kim, and D. -I. Yeom, "Toward higher-order passive harmonic mode-locking of a soliton fiber laser," Opt. Lett. 37, 1862 (2012).
  25. S. Y. Choi, D. K. Cho, Y.-W. Song, K. Oh, K. Kim, F. Rotermund, D.-I. Yeom, "Graphene-filled hollow optical fiber saturable absorber for soliton fiber laser mode-locking," Opt. Express 20, 5652 (2012).
  26. A. Schmidt, P. Koopmann, G. Huber, P. Fuhrberg, S. Y. Choi, D.-I. Yeom, F. Rotermund, V. Petrov, U. Griebner, "175 fs Tm:Lu2O3 laser at 2.07  μm mode-locked using single-walled carbon nanotubes," Opt. Express 20,5313 (2012).
  27. A. Agnesi, A. Greborio, F. Pirzio, G. Reali, E. Ugolotti, S. Y. Choi, F. Rotermund, U. Griebner, V. Petrov, "Femtosecond Nd:glass lasers pumped by single-mode laser diodes and mode-locked with carbon nanotube or semiconductor saturable absorber mirrors," IEEE J. Select. Top. Quant. Electron. 18, 74(2012).
  28. H. Iliev, I. Buchvarov, S. Y. Choi, K. Kim, F. Rotermund, U. Griebner, V. Petrov, "Steady state mode-locking of a 1.34 μm Nd:YVO4 laser with a single-walled carbon nanotube saturable absorber," Appl. Phys. B 206, 1 (2012).
  29. A. Agnesi, F. Pirzio, E. Ugolotti, S. Y. Choi, D.-I. Yeom, F. Rotermund, "Femtosecond single-mode diode-pumped Cr:LiSAF laser mode-locked with single-walled carbon nanotubes," Opt. Commun. 285, 742 (2012).
  30. W. B, Cho, J. W. Kim, H. W. Lee, S. Bae, B. H. Hong, S. Y. Choi, I. H. Baek, K. Kim, D.-I. Yeom, F. Rotermund, "High-quality, large-area monolayer graphene for bulk laser mode-locking near 1.25 μm", Opt. Lett. 36, 4089 (2011).
  31. C. S. Jun, J. H. Im, S. H. Yoo, S. Y. Choi, F. Rotermund, D.-I. Yeom, B. Y. Kim, "Low noise GHz passive harmonic mode-locking of soliton fiber laser using evanescent wave interaction with carbon nanotubes," Opt. Express 19, 19775 (2011).
  32. I. H. Baek, S. Y. Choi, H. W. Lee, W. B, Cho, V. Petrov, A. Agnesi, V. Pasiskevicius, D.-I. Yeom, K. Kim, F. Rotermund, "Single-walled carbon nanotube saturable absorber assisted high-power mode-locking of a Ti:sapphire laser", Opt. Express 19, 7833 (2011).
  33. W. B, Cho, S. Y. Choi, J. W. Kim, D.-I. Yeom, K. Kim, H. Lim, F. Rotermund, "Solid-state laser mode-locking near 1.25 μm employing a carbon nanotube saturable absorber mirror", J. Opt. Soc. Kor. 15, 56 (2011).
  34. A. Agnesi, L. Carra, F. Pirzio, G. Reali, A. Toncelli, M. Tonelli, S. Y. Choi, F. Rotermund, U. Griebner, V. Petrov, "Diode-pumped Nd:BaY2F8 picosecond laser mode-locked with carbon nanotube saturable absorbers," J. Opt. Soc. Am. B 27, 2739 (2010).
  35. A. Agnesi, A. Greborio, F. Pirzio, G. Reali, S. Y. Choi, F. Rotermund, U. Griebner, V. Petrov, "99-fs Nd:glass laser mode-locked with carbon nanotube saturable absorber mirror," Appl. Phys. Express 3, 112702 (2010).
  36. J. H. Im, S. Y. Choi, F. Rotermund, D.-I. Yeom, "All-fiber Er-doped dissipative soliton laser based on evanescent field interaction with carbon nanotube saturable absorber," Opt. Express 18, 22141 (2010).
  37. W. B. Cho, A. Schmidt, S. Y. Choi, V. Petrov, U. Griebner, G. Steinmeyer, S. Lee, D.-I. Yeom, F. Rotermund, "Mode-locking of a Cr:YAG laser with carbon nanotubes," Opt. Lett. 35, 2669 (2010).
  38. W. B, Cho, J. H. Yim, S. Y. Choi, S. Lee, A. Schmidt, G. Steinmeyer, U. Griebner, V. Petrov, D.-I. Yeom, K. Kim, F. Rotermund, "Boosting the nonlinear optical response of carbon nanotube saturable absorbers for broadband mode-locking of bulk lasers", Adv. Funct. Mater. 20, 1937 (2010).
  39. S. H. Bae, I. H. Baek, S. Y. Choi, W. B. Cho, F. Rotermund, C. S. Yoon, "Efficient second-harmonic generation of ultrashort pulses with simultaneous quasi-phase matching and group velocity matching in periodic 90° domain structures of potassium niobate," Opt. Commun. 283, 1894 (2010).
  40. S. Y. Choi, F. Rotermund, H. Jung, K. Oh, D.-I. Yeom, "Femtosecond mode-locked fiber laser employing a hollow optical fiber filled with carbon nanotube dispersion as saturable absorber," Opt. Express 17, 21788 (2009).
  41. A. Schmidt, S. Rivier, W. B. Cho, J. H. Yim, S. Y. Choi, S. Lee, F. Rotermund, D. Rytz, G. Steinmeyer, V. Petrov, U. Griebner, "Sub-100fs single-walled carbon nanotube saturable absorber mode-locked Yb-laser operation near 1 μm," Opt. Express 17, 20109 (2009).
  42. W. B. Cho, A. Schmidt, J. H. Yim, S. Y. Choi, S. Lee, F. Rotermund, U. Griebner, G. Steinmeyer, V. Petrov, X. Mateos, M. C. Pujol, J. J. Carvajal, M. Aguilo, F. Diaz, "Passive mode-locking of a Tm-doped bulk laser near 2 μm using a carbon nanotube saturable absorber," Opt. Express 17, 11007 (2009).
  43. W. B. Cho, J. H. Yim, S. Y. Choi, S. Lee, U. Griebner, V. Petrov, F. Rotermund, "Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber," Opt. Lett. 33, 2449 (2008).
 
 
Conferences

International Conferences
  1. S. Y. Choi, T. Calmano, M. H. Kim, D.-I. Yeom, C. Kränkel, G. Huber, F. Rotermund, "Diode-pumped femtosecond-laser-inscribed Yb:YAG channel waveguide lasers, Q-switched by carbon nanotubes," CA-9.5, CLEO/Europe-EQEC 2015 (2015).
  2. S. Y. Choi, J. W. Kim, M. H. Kim, D.-I. Yeom, B. H. Hong, X. Mateos, M. Aguilo, F. Diaz, V. Petrov, U. Griebner, F. Rotermund, "Diode-pumped, femtosecond Yb:KLu(WO4)2 laser mode-locked by carbon nanostructure-based saturable absorber mirror," 3rd Advanced Lasers and Photon Sources 2014 (APLS '14) (2014).
  3. S. Y. Choi, Y. -W. Song, K. Oh, F. Rotermund, and D. -I. Yeom, "Soliton fiber laser mode-locking using graphene-filled hollow optical fiber," The 17th Optoelectronics and Communications Conference (OECC '12) (2012).
  4. S. Y. Choi, D. K. Cho, F. Rotermund, Y.-W. Song, K. Oh, D. -I. Yeom, "Graphene-filled hollow optical fiber for all-fiber laser mode-locking," IQEC/CLEO Pacific Rim (2011).
  5. S. Y. Choi, F. Rotermund, H. Jung, K. Oh, D. -I. Yeom, "Passively mode-locked fiber laser incorporating single-walled carbon nanotube-filled hollow optical fiber," CLEO Pacific Rim (2009).
  6. S. Y. Choi, W. B. Choi, J. H. Yim, S. Lee, Y. H. Ahn, K. Kim, H. Lim, F. Rotermund, "Carbon nanotube saturable absorbers for solid-state laser mode-locking near 1.25 um," Nanotube 08 (NT08) (2008).

Domestic Conferences
  1. 최선영, 김미혜, 염동일 , Thomas Calmano, Christian Kränkel, Gunter Huber, 이상민, "탄소나노구조기반 포화흡수체를 이용한 펨토초 레이저 새김 Yb:YAG 채널형 도파로 레이저의 Q-스위칭 동작 연구," 한국광학회 2015년도 하계학술발표회 (2015).
  2. 최선영, 김미혜, 염동일 , Thomas Calmano, Christian Kränkel, Gunter Huber, 이상민, "펨토초 레이저 새김 기법으로 제작된 다이오드 펌핑 Yb:YAG 채널형 도파로 레이저," 한국광학회 2014년도 하계학술발표회 (2014).
  3. 최선영, 김준완, 김미혜, 염동일, Xavier Mateos, Francesc Diaz, 이상민, "탄소나노튜브로 모드잠금 된 다이오드 펌핑 Yb:KLu(WO4)2 레이저," 한국광학회 2014년도 동계학술발표회 (2014).
  4. 최선영, 정환성, 홍병희, 이상민, 염동일, "그래핀 포화흡수체 기반의 고출력 전광섬유 레이저," 한국광학회 2013년도 하계학술발표회 (2013).
  5. 최선영, I. Bayalam, A. Sennaroglu, 김기홍, 이상민, "탄소나노튜브 포화흡수체를 이용해 모드잠금 된 펨토초 레이저의 에너지 스케일링," 한국광학회 2013년도 동계학술발표회 (2013).
  6. 최선영, A. Schmidt, U. Griebner, 이상민, "탄소나노튜브 포화흡수체 기반의 2 μm Tm:Lu2O3 고체레이저의 모드잠금," 제11회 첨단 레이저 및 레이저응용 워크샵 (2012).
  7. 최선영, 조대근, 이상민, 송용원, 오경환, 염동일, "그래핀이 주입된 중공 광섬유를 이용한 전광섬유 레이저의 수동 모드잠금," 한국광학회 2011년도 하계학술발표회 (2011).
  8. 최선영, 조원배, 염동일, 김지희, 이기주, 이상민, "Carbon nanotube saturable absorbers for ultrabroadband application." 한국나노광학회 워크샵 (2010).
  9. 최선영, 조원배, 염동일, 이상민, 김지희, 이기주, "탄소나노튜브 기반의 광대역 포화흡수체의 제작 및 특성분석," 한국광학회 2010년도 하계학술발표회 (2010).
  10. 최선영, 조원배, 임종혁, 이순일, 염동일, 김기홍, 이상민, "단일 탄소나노튜브 포화흡수체를 이용한 다양한 고체 레이저의 광대역 모드잠금," 한국광학회 2010년도 동계학술발표회 (2010).
  11. 최선영, 이상민, 정호중, 오경환, 염동일, "Fiber laser passive mode-locking using single-walled carbon nanotube-filled hollow optical fiber," 제8회 첨단레이저 및 레이저응용 워크샵 (ALTA) (2009).
  12. 최선영, 조원배, 임종혁, 이순일, 안영환, 김기홍, 임한조, 이상민, "단일벽 탄소나노튜브 모드 잠금 된 Cr:forsterite 레이저에서의 피코초 및 펨토초 펄스 발생," 제7회 한국광학회 양자전자분과 워크샵 (2008).
  13. 최선영, 조원배, 임종혁, 이순일, 김기홍, 임한조, 이상민, "Solid-state laser mode-locking near 1.25 um using single-walled carbon nanotube saturable absorber," 한국물리학회 2008년 봄 학술논문발표회 (2008).
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