Full-Time Faculty

Longqing Cong--Associate Professor

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He has published over 50 peer-reviewed journal papers with more than 5800 citations, h-index of 37, among which 4 are the highly cited papers of ESI. He serves as a long-term reviewer for over 40 journals, in the editor board of journal Ultrafast Science (Science Partner Journal) and Chinese Laser Press. He is awarded the gold medal of “MRS Singapore best PhD thesis” in 2018, one of the World’s Top 2% Scientists by Elsevier; Best Young Scientist by IEEE Photonics Society; WuSi Medal of Shenzhen.

For more information of Longqing Cong’s information, please refer to:


2014.01 – 2017.08, Nanyang Technological University, PhD (Optics)

2011.09 – 2014.01, Tianjin University, Master (Optical Engineering)

2007.09 – 2011.06, Tianjin University, Bachelor (Optoelectronics)

Working Experiences

2021-03 to present, Southern University of Science and Technology, Department of Electrical and Electronic Engineering, Associate Professor

2020-09 to 2021-03, ShanghaiTech University, School of Information Science and Technology, Assistant Professor

2019-08 to 2020-07, University of Pennsylvania, postdoctoral fellow

2017-04 to 2019-07, Nanyang Technological University, Research Fellow

Research Introduction

Terahertz Photonics

Devices for the next-generation wireless communications

Terahertz imaging, sensing, and all-optical neural network

Metamaterials, Metasurfaces, Photonic crystals

Ultrafast spectroscopy

Nonlinear optics

Awards & Honors

1.2016 Chinese Government Award for Outstanding Self-Financed Students Abroad;

2.2018 Gold Medal of the MRS Singapore Best PhD Thesis (one winner per year)

3.2021 Best Young Scientist by IEEE Photonics Society

4.2021 & 2022 World’s Top 2% Scientists;

5.2022 WuSi Medal of Shenzhen


  1. S-T Xu,* H-F Zhang, L. Cong,* Z. Xue, D. Lu, Y-H Wang, X. Hu, L. Liang, Y. Ji, F. Fan,* and S-J Chang, Dispersion-Compensated Terahertz Ultra-Broadband Quarter and Half Wave Plates in a Dielectric-Metal Hybrid Metadevice, Advanced Optical Materials, 2302696 (2024).
  2. 丛龙庆*,许桂珍,杂化连续域内束缚态中的环形偶极子,激光与光电子学进展 60, 18 (2023). (Invited Research Article)
  3. G. Xu, H. Xing, Z. Xue, D. Lu, J. Fan, J. Fan, P.P. Shum, L. Cong*, Recent Advances and Perspective of Photonic Bound States in the Continuum, Ultrafast Science, 3 (2023).(A Science Partner Journal)
  4. H. Xing, G. Xu, D. Lu, J. Fan, Z. Xue, Z. Gao, L. Cong*, Terahertz topological photonic crystals with dual edge states for efficient routing, Opt. Lett., 48, 4 (2023) .
  5. J. Fan, Z. Li, Z. Xue, H. Xing, D. Lu, G. Xu, J. Gu, J. Han, L. Cong*, Hybrid bound states in the continuum in terahertz metasurfaces, Opto-Electronic Science, 2, 230006 (2023).
  6. H. Xing#, J. Fan#, D. Lu, Z. Gao, P. P. Shum, L. Cong*, Terahertz Metamaterials for Free-Space and on-Chip Applications: From Active Metadevices to Topological Photonic Crystals. Advanced Devices & Instrumentation 2022, 1 (2022). (A Science Partner Journal)
  7. W. Shi, J. Gu*, X. Zhang, Q. Xu, J. Han, Q. Yang*, L. Cong*, W. Zhang*, Terahertz bound states in the continuum with incident angle robustness induced by a dual period metagrating. Photon. Res. 10, 810 (2022).
  8. X. Zhang, W. Shi, J. Gu*, L. Cong*, X. Chen, K. Wang, Q. Xu, J. Han, W. Zhang*, Terahertz metasurface with multiple BICs/QBICs based on a split ring resonator. Opt. Express 30, 29088 (2022).
  9. L. Cong*, J. Han, W. Zhang, R. Singh, “Temporal loss boundary engineered photonic cavity,” Nature Communications 12, 6940 (2021). Highlighted by SUSTech News:; Featured by 《物理》as cover page.
  10. 丛龙庆*, 主动式太赫兹超材料器件综述. 中国激光 48, 1914003 (2021). (Invited Review article)
  11. L. Cong*, S. K. Valiyaveedu, J. Shi, X. Zhang, Editorial: Terahertz Radiation: Materials and Applications. Frontiers in Physics 9, (2021). (Issue edited as a Guest Editor)


Selected publication before joining SUSTech:

  1. L. Cong, R. Singh, “Spatiotemporal Dielectric Metasurfaces for Unidirectional Propagation and Reconfigurable Steering of Terahertz Beams,” Adv. Mater. 32, 2001418 (2020).
  2. L. Cong, et al, “Electrically programmable terahertz diatomic metamolecules for chiral optical control,” Research 2019, 1 (2019) (Science Partner Journal).
  3. L. Cong, et al, “All-optical active THz metasurfaces for ultrafast polarization switching and dynamic beam splitting,” Light: Science & applications 7, 28 (2018).
  4. L. Cong, et al, “Active Phase Transition via Loss Engineering in a Terahertz MEMS Metamaterial,” Adv. Mater. 29(26), 1700733 (2017).
  5. L. Cong, et al, “Perovskite as a Platform for Active Flexible Metaphotonic Devices,” ACS Photonics 4, 1595-1601 (2017). Featured as cover article.
  6. L. Cong, et al, “Near-Field Inductive Coupling Induced Polarization Control in Metasurfaces,” Adv. Opt. Mater. 4, 848 (2016).
  7. L. Cong, et al, “Fano Resonances in Terahertz Metasur-faces: A Figure of Merit Optimization,” Adv. Opt. Mater. 3, 1537 (2015). Citation 148 Highlighted as the top 5 download paper. Link:
  8. L. Cong, et al, “A Tunable Dispersion-Free Terahertz Metadevice with Pancharatnam-Berry-Phase-Enabled Modulation and Polarization Control,” Adv. Mater. 27, 6630 (2015).
  9. L. Cong, et al, “Experimental demonstration of ultrasensitive sensing with terahertz metamaterial absorbers: A comparison with the metasurfaces,” Appl. Phys. Lett. 106, 031107 (2015). Citation 372, Highlighted as the must-read findings on terahertz devices; Most cited paper of APL from 2015-2019; Top 1% most cited papers in Physics by ESI.
  10. L. Cong, et al, “Highly flexible broadband terahertz metamaterial quarter‐wave plate,” Laser & Photonics Reviews 8, 626 (2014). Citation 221, featured as cover article.
  11. L. Cong, et al, “A perfect metamaterial polarization rotator,” Appl. Phys. Lett. 103, 171107 (2013). Citation 296, Highlighted as the top 1% most cited papers in Physics by ESI.

More papers please refer to: or

Recruitment Announcement

Tera-Meta Lab is recruiting postdoctoral fellow and research assistant. We are also open for application of PhD, Master, and intern positions with background in optics, physics, optoelectronics, materials, and communications. Visiting scholars and exchanging students are also very welcome! Please send you CV to if you have interest to join. Postdoc applicants should also send names and email address of at least two referees.

Contact Information

South Tower of Engineering Building RM 702, South University of Science and Technology (SUSTech), No. 1088 Xueyuan avenue, Nanshan district, Shenzhen, Guangdong 518055, China


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