Essential Information

NameJunqiu Liu

PositionResearcher

Research interestSilicon photonics, MEMS, integrated opticsnonlinear opticsquantum opticsmicrowave photonics etc.


Education background

2016.07-2020.07, Swiss Federal Institute of Technology in Lausanne (EPFL), PhD.

2013.09-2016.06, University of Erlangen-Nuremberg, Master of Science.

2008.09-2012.06, University of Science and Technology of China (USTC), Bachelor of Science.

Working experience

Since 2022.01, Quantum Academy Shenzhen, Research Fellow (principal investigator).

2020.08-2021.12, Swiss Federal Institute of Technology in Lausanne (EPFL), postdoctoral scholar.

Honors and Awards

1. Distinguished Young Scholars (Overseas), awarded by National Natural Science Foundation of China, 2022

2. EPFL Doctorate Award, awarded by EPFL to the best two PhD theses among all schools, 2021

3. 35 Innovators Under 35 (China List), awarded by MIT Technology Review, 2020

4. Rising Stars of Light, awarded by Light: Science & Applications, 2020

5. Chinese government award for outstanding self-finance students abroad, 2020

6. Finalist of Best Student Paper Award in the Joint Conference of the IEEE IFCS-ISAF, 2020

7. ECIO 2019 the Best Student Paper, awarded by Nature Photonics and UGhent-IMEC, 2019

Selected publications

1. J. Liu, G. Huang, R. N. Wang, J. He, A. S. Raja, T. Liu, N. J. Engelsen, and T. J. Kippenberg, “High-yield, wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits”, Nature Communications 12, 2236 (2021).

2. J. Liu, H. Tian, E. Lucas, A. S. Raja, G. Lihachev, R. N. Wang, J. He, T. Liu, M. H. Anderson, W. Weng, S. A. Bhave, and T. J. Kippenberg, “Monolithic piezoelectric control of soliton microcombs”, Nature 583, 385 (2020).

3. J. Liu, E. Lucas, A. S. Raja, J. He, J. Riemensberger, R. N. Wang, M. Karpov, H. Guo, R. Bouchand, and T. J. Kippenberg, “Photonic microwave generation in the X- and K-band using integrated soliton microcombs”, Nature Photonics 14, 486 (2020).

4. J. Liu, A. S. Raja, M. Karpov, B. Ghadiani, M. H. Pfeiffer, B. Du, N. J. Engelsen, H. Guo, M. Zervas, and T. J. Kippenberg, “Ultralow-power chip-based soliton frequency combs for photonic integration”, Optica 5, 1347 (2018).

5. C. Xiang, J. Liu, J. Guo, L. Chang, R. N. Wang, W. Weng, J. Peters, W. Xie, Z. Zhang, J. Riemensberger, J.  Selvedge, T. J. Kippenberg, and J. E. Bower, “Laser soliton microcombs heterogeneously integrated on silicon”, Science 373, 99 (2021).

6. H. Tian, J. Liu, A. Siddharth, R. N. Wang, T. Blésin, J. He. T. J. Kippenberg, and S. A. Bhave, “Magnetic-free silicon nitride integrated optical isolator”, Nature Photonics 15, 828 (2021).

7. B. Shen, L. Chang, J. Liu, H. Wang, Q.-F. Yang, C. Xiang, R. N. Wang, J. He, T. Liu, W. Xie, J. Guo, D. Kinghorn, L. Wu, Q.-X. Ji, T. J. Kippenberg, K. Vahala, and J. E. Bowers, “Integrated turnkey soliton microcombs”, Nature 582, 365 (2020).

8. F. Gyger, J. Liu, F. Yang, J. He, A. S. Raja, R. N. Wang, S. A. Bhave, T. J. Kippenberg, and L. Thevanaz, “Observation of stimulated Brillouin scattering in silicon nitride integrated waveguides”, Phys. Rev. Lett. 124, 013902 (2020).

9. X. Ji, J. Liu, J. He, R. N. Wang, J. Riemensberger, and Tobias J. Kippenberg, “Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits”, Communications Physics 5, 84 (2022).

10. J. Liu, A. S. Raja, M. H. Pfeiffer, C. Herkommer, H. Guo, M. Zervas, M. Geiselmann, and T. J. Kippenberg, “Double inverse nanotapers for efficient light coupling to integrated photonic devices”, Opt. Lett. 43, 3200 (2018).


LINKShttps://scholar.google.com/citations?user=s2uQynQAAAAJ&hl=en