J. E. Bae

Bae, Ji Eun (배지은)

KAIST, Department of Physics (2023~)

Ph.D.: KAIST, Physics, 2023

B.S.: KAIST, Physics, 2017

Research area: Waveguide Lasers & Nanocarbon-based Photonic Devices

E-mail: jbae[at]kaist.ac.kr, jbaekaist[at]gmail.com

Web: sites.google.com/view/jieunbae

Link to Full CV (Last updated: August 8th, 2023)

Journal Publications

J. E. Bae, M. Hyun, D. W. Kim, X. Mateos, J. G. Ajates, C. Romero, J. R. V. de Aldana, J. Kim, F. Rotermund, “Characterization of noise spectra in low-jitter GHz mode-locked fs-laser-inscribed waveguide lasers,” submitted (2023).
W. B. Cho, J. E. Bae, S. C. Lee, N. Myoung, F. Rotermund, “Passively mode-locked Cr:ZnS laser with transmitting graphene-ZnSe saturable absorber,” submitted (2023).
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. G. Ajates, C. Romero, J. R. V. de Aldana, F. Rotermund, “Multi-gigahertz mode-locked femtosecond Yb:KLuW waveguide lasers,” Photon. Res. 10, 2584 (2022).
J. E. Bae, T. Calmano, C. Kränkel, F. Rotermund, “Controllable Dynamic Single- and Dual-channel Graphene Q-switching in a Beam-splitter-type Channel Waveguide Laser,” Laser Photonics Rev. 16, 2100501 (2022). (inside front cover).
Z. Pan, L. Wang, J. E. Bae, F. Rotermund, Y. Wang, Y. Zhao, P. Loiko, X. Mateos, U. Griebner, V. Petrov, W. Chen, "SWCNT-SA mode-locked Tm,Ho:LCLNGG laser," Opt. Express 29, 40323 (2021).
L. Wang, W. Chen, Y. Zhao, H. Yang, W. Jing, Z. Pan, H. Huang, J. Liu, J. E. Bae, F. Rotermund, P. Loiko, X. Mateos, Z. Wang, X. Xu, U. Griebner, V. Petrov, “Power-scalable sub-100-fs Tm laser at 2.08 µm,” High Power Laser Sci. Eng. 9, e50 (2021).
L. Wang, W. Chen, Z. Pan, P. Loiko, J. E. Bae, F. Rotermund, X. Mateos, U. Griebner, V. Petrov, “Sub-100 fs mode-locked Tm:CLTGG laser,” Opt. Express 29, 31137 (2021).
J. E. Bae, S. Y. Choi, C. Kränkel, K. Hasse, F. Rotermund, "Evanescent-field Q-switched Yb:YAG Channel Waveguide Lasers with Single- and Double-pass Pumping," Curr. Opt. Photon. 5, 180 (2021).
L. Wang, W. Chen, Y. Zhao, Y. Wang, Z. Pan, H. Lin, G. Zhang, L. Zhang, Z. Lin, J. E. Bae, T. G. Park, F. Rotermund, P. Loiko, X. Mateos, M. Mero, U. Griebner, V. Petrov, "Single-walled carbon-nanotube saturable absorber assisted Kerr-lens mode-locked Tm:MgWO4 laser," Opt. Lett. 45, 6142 (2020).
F. Yue, P. Loiko, M. Chen, J. M. Serres, Y. Wang, J. Li, L. Basyrova, E. Dunina, A. Kornienko, L. Fomicheva, S. Dai, Z. Chen, J. E. Bae, T. G. Park, F. Rotermund, V. Jambunathan, A. Lucianetti, T. Mocek, M Aguiló, F. Díaz, U. Griebner, V. Petrov, X. Mateos, “Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering,” Opt. Express 28, 28399 (2020).
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. R. V. de Aldana, C. Romero, H. Lee, F. Rotermund, “Transition of pulsed operation from Q-switching to continuous-wave mode-locking in a Yb:KLuW waveguide laser,” Opt. Express 28, 18027 (2020).
Y. Morova, J. E. Bae, F. Rotermund, A. Sennaroglu, “Laser-micromachined zebra-patterned graphene as a mode locker with adjustable loss,” Opt. Lett. 45, 1826 (2020).
A. Muti, F. Canbaz, M. Tonelli, J. E. Bae, F. Rotermund, V. Petrov, A. Sennaroglu, “Graphene mode-locked operation of Tm3+:YLiF4 and Tm3+:KY3F10 lasers near 2.3 μm,” Opt. Lett. 45, 656 (2020).
Y. Zhao, L. Wang, Y. Wang, J. Zhang, P. Liu, X. Xu, Y. Liu, D. Shen, J. E. Bae, T. G. Park, F. Rotermund, X. Mateos, P. Loiko, Z. Wang, X. Xu, J. Xu, M. Mero, U. Griebner, V. Petrov, W. Chen, “SWCNT-SA mode-locked Tm:LuYO3 ceramic laser delivering 8-optical-cycle pulses at 2.05 μm,” Opt. Lett. 45, 459 (2020).
M. Chen, P. Loiko, J. M. Serres, S. Veronesi, M. Tonelli, M. Aguiló, F. Díaz, S. Y. Choi, J. E. Bae, F. Rotermund, S. Dai, Z. Chen, U. Griebner, V. Petrov, X. Mateos, "Fluorite-type type Tm3+:KY3F10: A promising crystal for watt-level lasers at ∼1.9 μm," J. Alloys Compd. 813, 152176 (2020).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, H. Lee, F. Rotermund, "Carbon nanotube Q-switched Yb:KLuW surface channel waveguide lasers," Opt. Lett. 45, 216 (2020).
G. Tanisali, I. Baylam, M. Tasci, J. E. Bae, F. Rotermund, U. Demirbas, A. Sennaroglu, “21 fs Cr:LiSAF laser mode locked with a single-walled carbon nanotube saturable absorber,” Opt. Lett. 44, 4662 (2019).
Y. Zhao, W. Chen, L. Wang, Y. Wang, Z. Pan, X. Dai, H. Yuan, H. Cai, Y. Zhang, J. E. Bae. T. G. Park, F. Rotermund, P. Loiko, J. M. Serres, X. Mateos, D. Shen, U. Griebner, V. Petrov, “Graphene mode-locked Tm, Ho-codoped crystalline garnet laser producing 70-fs pulses near 2.1 µm," OSA Continuum 2, 2593 (2019). (editor's pick)
Y. Zhao, Y. Wang, W. Chen, Z. Pan, L. Wang, X. Dai, H. Yuan, Y. Zhang, H. Cai, J. E. Bae, S. Y. Choi, F. Rotermund, P. Loiko, J. M. Serres, X. Mateos, W. Zhou, D. Shen, U. Griebner, V. Petrov, “67-fs pulse generation from a mode-locked Tm,Ho:CLNGG laser at 2083 nm,” Opt. Express 27, 1922 (2019).
J. W. Kim, S. Y. Choi, J. E. Bae, M. H. Kim, Y. U. Jeong, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, U. Griebner, V. Petrov, G.-H. Kim, F. Rotermund, "Comparative study of Yb:KYW planar waveguide lasers Q-switched by direct- and evanescent-field interaction with carbon nanotubes," Opt. Express 27, 1488 (2019).
M. Kowalczyk, X. Zhang, X. Mateos, S. Guo, Z. Wang, X. Xu, P. Loiko, J. E. Bae, F. Rotermund, J. Sotor, U. Griebner, V. Petrov, "Graphene and SESAM mode-locked Yb:CNGS lasers with self-frequency doubling properties," Opt. Express 27, 590 (2019).
Z. Pan, Y. Wang, Y. Zhao, M. Kowalczyk, J. Sotor, H. Yuan, Y. Zhang, X. Dai, H. Cai, J. E. Bae, S. Y. Choi, F. Rotermund, P. Loiko, J. M. Serres, X. Mateos, U. Griebner, V. Petrov, “Sub-80 fs mode-locked Tm,Ho-codoped disordered garnet crystal oscillator operating at 2081 nm,” Opt. Lett. 43, 5154 (2018).
E. Kifle, P. Loiko, J. R. V. de Aldana, C. Romero, A. Rodenas, S. Y. Choi, J. E. Bae, F. Rotermund, V. Zakharov, A. Veniaminov, M. Aguiló, F. Díaz, U. Griebner, V. Petrov, X. Mateos, "Passively Q-switched femtosecond-laser-written thulium waveguide laser based on evanescent field interaction with carbon nanotubes,” Photon. Res. 6, 971 (2018).
Y. Wang, Y. Zhao, Z. Pan, J. E. Bae, S. Y. Choi, F. Rotermund, P. Loiko, J. M. Serres, X. Mateos, H. Yu, H. Zhang, M. Mero, U. Griebner, V. Petrov, "78 fs SWCNT-SA mode-locked Tm:CLNGG disordered garnet crystal laser at 2017 nm," Opt. Lett. 43, 4268 (2018).
Z. Pan, Y. Wang, Y. Zhao, H. Yuan, X. Dai, H. Cai, J. E. Bae, S. Y. Choi, F. Rotermund, X. Mateos, J. M. Serres, P. Loiko, U. Griebner, V. Petrov, "Generation of 84-fs pulses from a mode-locked Tm:CNNGG disordered garnet crystal laser," Photon. Res. 6, 800 (2018).
E. Kifle, X. Mateos, P. Loiko, S. Y. Choi, J. E. Bae, F. Rotermund, M. Aguiló, F. Díaz, U. Griebner, V. Petrov, “Tm:KY1-x-yGdxLuy(WO4)2 planar waveguide laser passively Q-switched by single-walled carbon nanotubes,” Opt. Express 26, 4961 (2018).

International Conferences

[Invited] J. E. Bae, “Crystalline waveguides with carbon nanomaterials for miniaturized pulsed lasers,” European Optical Society Annual Meeting (EOSAM) (2023).
J. E. Bae, M. Hyun, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, J. Kim, F. Rotermund, “Multi-GHz Femtosecond Mode-locking and Noise Characterization of fs-laser-inscribed Waveguide Lasers,” Conference on Lasers & Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC) (2023).
J. E. Bae, T. Calmano, C. Kränkel, F. Rotermund, “Beam-splitter-type Waveguide Laser for Controllable Single- and Dual-channel Q-switching,” Laser Congress (Advanced Solid State Lasers Conference) (2022).
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. G. Ajates, C. Romero, J. R. V. de Aldana, F. Rotermund, “Multi-GHz Femtosecond Mode-locked Ytterbium-doped Double Tungstate Waveguide Laser,” The 15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR) (2022).
J. E. Bae, T. Calmano, C. Kränkel, F. Rotermund, "Selective graphene excitation for controllable Q-switching of a beam-splitter-type channel waveguide laser,” The 12th International Conference on Advanced Materials and Devices (ICAMD) (2021).
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. R. V. de Aldana, C. Romero, F. Rotermund, "Adjustable Pulsed Operation from Q-switching to CW Mode-locking in a Yb:KLuW Waveguide Laser,” Laser Congress (Advanced Solid State Lasers Conference) (2021).
J. E. Bae, S. Y. Choi, T. Calmano, C. Kränkel, F. Rotermund, "Q-switched Yb:YAG Surface Channel Waveguide Lasers in Single- and Double-pass Pump Schemes," The 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR) (2020).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, F. Rotermund, "Passive mode-locking of a fs-laser-written Yb:KLuW channel waveguide laser with carbon nanotubes," SPIE Photonics West (2020).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, F. Rotermund, "Carbon nanotube saturable absorbers applicable for compact pulsed waveguide lasers near 1 µm," The 11th International Conference on Advanced Materials and Devices (ICAMD) (2019).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, F. Rotermund, "Yb:KLuW Channel Waveguide Lasers Passively Q-switched by Evanescent-field Interaction with Carbon Nanotubes," Conference on Lasers & Electro-Optics / Europe and European Quantum Electronics Conference (CLEO® / Europe-EQEC) (2019).
J. E. Bae, S. Y. Choi, T. G. Park, T. Calmano, C. Kränkel, F. Rotermund, "Compact Q-switched Laser Operation of Yb:YAG Channel Waveguides in Different Designs," The 11th High Energy Class-Diode Pumped Solid State Laser (HEC-DPSSL) (2019).
J. E. Bae, S. Y. Choi, T. Calmano, C. Kränkel, F. Rotermund, "Compact Q-switched Yb:YAG Waveguide Lasers in Monolithic Configurations," The 11th Asia Pacific Laser Symposium (APLS) (2018).
J. E. Bae, D. Kim, C. Kim, J. Kim, "Characterization of group-delay dispersion and nonlinear transmittance of planar lightwave circuit (PLC) devices," The 10th Asia Pacific Laser Symposium (APLS) (2016).

Domestic Conferences

J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. G. Ajates, C. Romero, J. R. V. de Aldana, F. Rotermund, "Femtosecond mode-locked operation of waveguide lasers at multi-GHz repetition rates," 제 22회 첨단레이저 및 레이저응용 워크샵 (2023).
J. E. Bae, T. Calmano, C. Kränkel, F. Rotermund, “Controllable Q-switched Operation in a Beam-splitter-type Waveguide Laser,” 제 21회 첨단레이저 및 레이저응용 워크샵 (2022).
J. E. Bae, T. Calmano, C. Kränkel, F. Rotermund, "Dual-Q-switched Beam-splitter-type Waveguide Laser using Graphene," 한국광학회 2021년도 하계학술발표회 (2021).
J. E. Bae, S. Y. Choi, C. Kränkel, K, Hasse, F. Rotermund, "Study on pumping scheme in Q-switched surface channel waveguide lasers," 제 20회 첨단레이저 및 레이저응용 워크샵 (2021). (우수논문상)
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. R. V. de Aldana, C. Romero, F. Rotermund, "Pulsed-operation switching to mode-locking at 0.5 GHz," The 7th Annual Society of Global PhD Fellows Conference (2020).
J. E. Bae, X. Mateos, M. Aguiló, F. Díaz, J. R. V. de Aldana, C. Romero, F. Rotermund, "Pulsed Regime Evolution up to Mode-locking in a Waveguide Laser," 한국광학회 2020년도 하계학술발표회 (2020).
J. E. Bae, F. Rotermund, "Nanocarbon-based Ultrafast Pulse Generation from Waveguide Lasers," The 6th Annual Society of Global PhD Fellows Conference (2019).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, F. Rotermund, "Evanescent-field-Q-switched Waveguide Lasers using Carbon Nanotubes," 제 18회 첨단레이저 및 레이저응용 워크샵 (2019).
J. E. Bae, T. G. Park, E. Kifle, X. Mateos, M. Aguiló, F. Díaz, C. Romero, J. R. V. de Aldana, F. Rotermund, "Yb-doped Q-switched Waveguide Lasers in Compact Geometries," 한국광학회 2019년도 동계학술발표회 (2019).
J. E. Bae, F. Rotermund, "Compact Q-switched Yb-doped Waveguide Lasers with Nanocarbons," The 11th BK21+ Young Physicists Workshop (2019). (Outstanding Poster Award)
J. E. Bae, T. G. Park, X. Mateos, F. Díaz, F. Rotermund, "Q-switched Yb:KLuW Waveguide Lasers based on Direct/Evanescent-field Interaction with Carbon Nanotubes," KAIX Thematic Fair for Advanced Optical Science (2018).
J. E. Bae, F. Rotermund, "Compact Ultrafast Waveguide Lasers with Nanocarbons," The 5th Annual Society of Global PhD Fellows Conference (2018). (Outstanding Presentation Award)
J. E. Bae, E. Kifle, P. Loiko, S. Y. Choi, X. Mateos, F. Díaz, F. Rotermund, "Q-switched Tm:KLuW Waveguide Laser based on Evanescent Field Interaction with Carbon Nanotubes," 제 17회 첨단레이저 및 레이저응용 워크샵 (2018).
J. E. Bae, S. Y. Choi, T. Calmano, C. Kränkel, F. Rotermund, "Q-switched Laser Operation of Yb:YAG Channel Waveguides in Different Configurations," 한국광학회 2018년도 동계학술발표회 (2018). (우수논문상)

Selected Awards & Honors

Marie Skłodowska-Curie Actions (MSCA) COFUND: WINNING Normandy Fellowship, European Commission & Région Normandie (2023.09. - 2025.08.).
Seal of Excellence (MSCA Postdoctoral Fellowship), European Commission (2023).
POSCO Science Fellowship, POSCO TJ Park Foundation (2023.03. - 2025.02.).
Global PhD Fellowship, National Research Foundation of Korea & Ministry of Education (2018.03. - 2023.02.).
SPIE Optics and Photonics Education Scholarship, SPIE (2022).
Optica Student Prize, Optica (formerly OSA) (2022).
Pre-doctoral Fellow, Department of Physics, KAIST (2021).
Silver Award: J. E. Bae, 2019 KAIST Invention Award (2019).
Best Poster Award: J. E. Bae, C. Kim, J. Kim, "Development of PLC-fiber hybrid laser for optimization of micro femtosecond laser," KAIST URP Program Workshop (2016).