Prof. Weiwei Liu
Prof. Weiwei Liu （刘伟伟）（Group Leader）
Email: liuweiwei@nankai.edu.cn
Education
Ph. D degree, Department of Physics, Laval University, Canada (2005)
Visiting scholar, Max-Planck Institute for the Physics of Complex System, Germany (2004)
Bachelor degree, Institute of Physics, Nankai University, China (1998)
Working experience
Full professor, Institute of Modern Optics, Nankai University, China (2007 - )
Post-doctor, Center for Optics, Laser and Photonics (COPL), Laval University, Canada (2006 - 2007)
Engineer, Institute of Physics, Nankai University, China (1998 - 2000)
University and Society service
Head of Department of Optoelectronic Science and Technology, Nankai University (2018 - )
Director, Institute of Modern Optics (IMO), Nankai University (2015 - )
Chairman of Academic Degrees Committee in Optical Engineering in Nankai University (2013 - )
Vice chairmen of Optical Society of Tianjin (2015 - )
Executive director of Youth Federation in Tianjin (2017 - )
Executive director of the Chinese Optical Society (2016 - )
Advisor of OSA student Chapter in Nankai University (2015 - )
Advisor of SPIE student Chapter in Nankai University (2015 - )
Awards
Gold medal of Tianjin City’s Patent Award (2019)
Prize of Excellence of Tianjin City’s Patent Award (2018)
First Prize of Tianjin City’s Natural Science Award (2016)
Prize of Excellence for Industry-University-Research Institute Collaboration (2019) awarded by China Industry-University-Research Institute Collaboration Association
Tianjin City’s Excellent Scientist (2019)
Tianjin City’s Leading Talent award in the Innovation Leadership Program in Sciences and Technologies for Young and Middle-aged Scientists (2019)
Tianjin City’s Award for Expert with Outstanding Contribution (2018)
Tianjin City’s Award for High-level Innovation and Entrepreneurship Team (2017)
Tianjin City’s May lst Labour Day Medal (2017)
Scientific Chinese Figures 2015
Excellent young scientist award of the national annual conference in THz science and Technology (2015)
Outstanding Chinese young scientific and technological workers (2015)
Wang Daheng’s Optics Prize of the Chinese Optical Society, the top optics prize in China (2011)
Jin Guofan Prize for excellent youth of the China Instrument Society (2011)
Special award for young scientist, Fok Ying Tong Education Foundation (2008)
Special award for New Century Excellent Talents in Universities, Education Ministry, China (2007)
Chinese Government Special Award for Outstanding Self-financed Student Abroad (2005)
Major scientific interests
Ultrafast laser science and application
Terahertz spectroscopy and imaging
Optical engineering for space science
Major research achievements
Has led and successfully executed more than 20 research projects financially supported by the National Key Research and Development Program, National manned space program, National Natural Science Foundation of China, Special Support Plan for Talent Development in Tianjin and open research funds of State Key Laboratories.
Has published more than 190 scientific papers in refereed journals, total citation number is more than 7000, H index reaches 45. (Google scholar).
Experimentally confirmed intensity clamping during filamentation of a femtosecond Ti-sapphire laser pulse in gases and condensed matters
Co-discoverer of air lasing during filamentation of a femtosecond Ti-sapphire laser pulse
Direct experimental measurement of the critical power of self-focusing (and the nonlinear refractive index) in gases
Experimental confirmation of the filament core as a fundamental spatial mode during filamentation of a Ti-sapphire laser pulse (mode self-cleaning)
Invented the in-situ measurement technique of the laser intensity inside a femtosecond laser filament
Invented p-phase plate based method to generate filament array
Discovered the new phenomena of the strong spatial confinement and the birefringence of THz pulse during femtosecond laser filamentation
Major innovative development in optical engineering and technology
First Chinese in-orbit multi-trace gas detection system, installed in spaceships Tiangong 1 and 2.
A full simulation program of the first Chinese environment monitoring satellite.
Fiber based miniature suspended solid sensor; currently being used in section stability test of ring-road-breakwater in Maputo City and Shanhaiguan breakwater, in the analysis of backfill in Yangtze estuary deep water channel.
Non-destructive THz scanning image system, being used in the evaluation of construction quality of highway.
Broadband THz time domain spectroscopy system, being used in identifying drug and medicine.
Editor:
Special issue in ultrafast laser nonlinear optics, Chinese Journal of Lasers, 46(5) (2019)
Conference organization:
Member of the program committee of 1st National annual conference on Terahertz Science and Technology, March 26-27, 2015, Chengdu
Member of the program committee of 2nd National annual conference on Terahertz Science and Technology, April 13-15, 2016, Beijing
Member of the program committee of 3rd National annual conference on Terahertz Science and Technology, May 22-24, 2017, Nanjing
Member of the program committee of 4th National annual conference on Terahertz Science and Technology, July 13-15, 2018, Chengdu
Member of the program committee of the 5th National annual conference on Terahertz Science and Technology, June 23-16, 2019, Shanghai
Member of the organizing committee International Winter Workshop on Ultrafast Intense Laser Science, February 11-14, 2005, Québec City, Canada
Member of the organizing committee of the China-Quebec bilateral meeting on ultrafast intense laser science, September 30-October 2, 2006 Québec city, Canada
Member of the local organizing committee of the first International Symposium on Ultrafast Intense Laser Filamentation, September 27-30, 2006 Québec city, Canada
Member of the local organizing committee of the Canada-Japan bilateral meeting on ultrafast intense laser science, March 5-8, 2007, Québec City, Canada
Member of the local organizing committee of the 5th International Symposium on Filamentation, September 18-24, 2014, Shanghai, China
Member of the local organizing committee of the 13th International Conference on Multiphoton Processes, December 7-10, 2014, Shanghai, China
Member of the program committee of the 8th International Symposium on Ultrafast Phenomena and Terahertz Waves, October 10-12, 2016, Chongqing, China
Member of the program committee of the 9th International Symposium on Ultrafast Phenomena and Terahertz Waves, April 23-29, 2018, Changsha, China
Chairman of the 11st Asian Symposium on Intense Laser Science, October 29 - November 1, 2019 in Tianjin, China
Member of the program committee of High-Intensity Lasers and High-Field Phenomena, March 23- 25, 2020, Prague, Czech Republic （cancelled due to COVID-19 epidemic）
Member of the local organizing committee of the 10th International Symposium on Ultrafast Phenomena and Terahertz Waves, September 26-29, 2020, Chengdu, China
Member of the local organizing committee of the 22nd Ultrafast Phenomena Conference, November 15-20, 2020, Shanghai, China
Member of the program committee of the 8th International Conference on Laser Filamentation, November 16-20, 2020, Doha, Qatar
Selected invited talks
(Has given more than 40 invited talks in international conferences worldwide and more than 50 invited talks in national conferences. The following are some selected examples.)
Chinese Optics Society conference, September 5-8, 2011, Shenzhen
The national workshop on strong field laser physics, October 26-29, 2012, Tongxiang
1st National annual conference on Terahertz Science and Technology, March 26-27, 2015, Chengdu
Chinese Physics Society Fall Meeting, September 10-13, 2015, Changchun
2nd National annual conference on Terahertz Science and Technology, April 13-15, 2016, Beijing
3rd National annual conference on Terahertz Science and Technology, May 22-24, 2017, Nanjing
The national workshop on strong field laser physics, December 15-17, 2018, Shanghai
4th International Symposium on Ultrafast Phenomena & Terahertz Waves, March 29 – 31, 2008, Tianjin University, Tianjin & Capital Normal University, Beijing, China
2nd International Symposium on Filamentation, LOA, ENSTA, École polytechnique, September 22-25, 2008, Paris, France (session chair)
International Symposium on Photoelectronic Detection and Imaging: Technology and Applications, June 17-19, 2009, Beijing, China
18th International Laser Physics Workshop, July 13-17, 2009, Barcelona, Spain (session chair)
8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009), August 30 -September 3, 2009, Shanghai, China
2nd Shenzhen International Conference on Advanced Science and Technology, November 15-18, 2009, Shenzhen, China
5th International Symposium on Ultrafast Phenomena & Terahertz Waves, September 12-16, 2010, Xi’an, China (Plenary talk)
3rd Photonics and OptoElectronics Meetings (POEM 2010), November 3-5, 2010, Wuhan, China
20nd International Laser Physics Workshop, July 11-15, 2011, Sarajevo, Bosnia and Herzegovina
4th International Photonics and OptoElectronics Meetings (POEM 2011), November 2-6, 2011, Wuhan, China
3rd Shenzhen International Conference on Advanced Science and Technology, November 21-26, 2011, Shenzhen, China
International Symposium on Ultrafast Intense Laser Science, July 19-21, 2012, Quebec City, Canada
5th International Photonics and OptoElectronics Meetings (POEM 2012), November 1-2, 2012, Wuhan, China
Special Ultrafast Intense Laser Science Symposium, May 21-24, 2013, Quebec City, Canada
23nd International Laser Physics Workshop, July 13-19, 2014, Sofia, Bulgaria
5th International Symposium on Filamentation, September 18-24, 2014, Shanghai, China
13th International Conference on Multiphoton Processes, December 7-10, 2014, Shanghai, China
5th Shenzhen International Conference on Advanced Science and Technology, August 18th -22nd, 2015, Shenzhen, China (keynote speaker)
40th International Conference on Infrared, Millimeter, and Terahertz Waves, August 23-28, 2015, Hong Kong, China (keynote speaker)
6th International Symposium on Laser Filamentation, September 5-9 2016, Quebec, Canada
41th International Conference on Infrared, Millimeter, and Terahertz Waves, September 25-30, 2016, Copenhagen, Denmark (keynote speaker)
10th Asian Symposium on Intense Laser Science, March 10-13, 2018, Sharjah, United Arab Emirates
9th International Symposium on Ultrafast Phenomena and Terahertz Waves, April 23-29, 2018, Changsha, China
7th International Symposium on Laser Filamentation, June 25-29, 2018, Geneva, Switzerland
27th International Laser Physics Workshop，July 16-20, 2018, Nottingham, United Kingdom
SPIE International Symposium on Optics + Photonics 2018, August 19-23, 2018, San Diego, USA
3rd International Conference "Terahertz and Microwave Radiation”, October 22 to October 25, 2018, Nizhny Novgorod, Russia
5th International Symposium on Laser Interaction with Matter, November 11 - 14, 2018 , Changsha, China
28th International Laser Physics Workshop, July 8-12, 2019, Gyeongju, Korea
18th International Conference on Optical Communications and Networks, August 5-8, 2019, Huangshan, China
11th International Conference on Information Optics and Photonics, August 7-10, 2019, Xi’an, China
International workshop on ultrafast micro/nano photonics and photochemistry, August 19-21, 2019, Sapporo, Japan
Selected publications
（full list could be found via https://scholar.google.com/citations?user=1J6gXCAAAAAJ, https://publons.com/researcher/817306/weiwei-liu/，more than 190 scientific papers in refereed journals, total citation number is more than 7000, H index reaches 45)
[1] J. Yao, J. Ma, J. Zhao, P. Qi, M. Li, L. Lin, L. Sun, X. Wang, W. Liu*, and Y. Wang*, Corneal hydration assessment indicator based on terahertz time domain spectroscopy, Biomed. Opt. Express, 11, 2073 (2020)
[2] C. Chu, D. E. Shipilo, D. Lu, Z. Zhang, S. V. Chuchupal, N. A. Panov, O. G. Kosareva, and W. Liu*, Femtosecond filament emergence between π-shifted beamlets in air, Opt. Express, 28, 1002 (2020)
[3] Q. Su, L. Sun, C. Chu, Z. Zhang, N. Zhang, L. Lin, Z. Zeng*, O. Kosareva, W. Liu*, S. L. Chin, Effect of Molecular Orbital Angular Momentum on Spatial Distribution of Fluorescence during Femtosecond Laser Filamentation in Air, J. Phys. Chem. Lett., 11, 730 (2020) (Cover story)
[4] P. Qi, Q. Su, D. Lu, L. Lin, N. Zhang, W. Liu*, Optical nonlinearities of alcoholic liquids under high-repetition-rate femtosecond lasers by single beam time-resolved eclipsed Z-scan, Opt. & Laser Tech., 109, 543 (2019)
[5] Q. Su, W. Liu, D. Lu, P. Qi, O. Kosareva and N. Zhang*, Influence of the tilting angle of a BBO crystal on the terahertz radiation produced by a dual-color femtosecond laser," IEEE Trans. THz Sci. & Tech., 9, 669-674 (2019)
[6] J. Zhao, W. Liu*, S. Li, D. Lu, Y. Zhang, Y. Peng, Y. Zhu, and S. Zhuang, Clue to a thorough understanding of terahertz pulse generation by femtosecond laser filamentation, Photon. Res., 6, 296 (2018)
[7] Y. Tian, J. Liu*, Y. Bai, S. Zhou, H. Sun, W. Liu*, J. Zhao, R. Li*, & Z. Xu*, Femtosecond-laser-driven wire-guided helical undulator for intense terahertz radiation, Nat, Photon., 11, 242 (2017) (Annual top 10 advances in optics in China)
[8] J. Zhao, W. Chu, Z. Wang, Y. Peng, C. Gong, L. Lin, Y. Zhu, W. Liu*, Y. Cheng, S. Zhuang, and Z. Xu, Strong Spatial Confinement of Terahertz Wave inside Femtosecond Laser Filament, ACS Photon., 2338, 3 (2016)
[9] J. Yang, J. Zhao, C. Gong, H. Tian, L. Sun, P. Chen, L. Lin, and W. Liu*, 3D printed low-loss THz waveguide based on Kagome photonic crystal structure, Opt. Express, 24, 22454 (2016)
[10] L. Liang, M. Qi, J. Yang, X. Shen, J. Zhai, W. Xu, B. Jin, W. Liu*, Y. Feng, C. Zhang, H. Lu, H.-T. Chen, L. Kang, W. Xu, J. Chen, T. Jun Cui, P. Wu and S. Liu, Anomalous Terahertz Reflection and Scattering by Flexible and Conformal Coding Metamaterials, Adv. Opt. Mat., 3, 1374 (2015) (Frontispiece)
[11] J. Yang, T. Zeng, L. Lin, and W. Liu*, Beam wandering of femtosecond laser filament in air, Opt. Express, 23, 25628 (2015)
[12] J. Zhao, L. Guo, W. Chu, B. Zeng, H. Gao, Y. Cheng and W. Liu*, Simple method to enhance terahertz radiation from femtosecond laser filament array with a step phase plate, Opt. Lett., 40, 3838 (2015)
[13] X. Sun, T. Zeng, H. Gao, S. Zhang and W. Liu*, Power dependent filamentation of a femtosecond laser pulse in air by focusing with an axicon, J. Phys. B, 48, 094004 (2015) (Highlight of 2015)
[14] H. Gao, W. Chu, G. Yu, B. Zeng, J. Zhao, Z. Wang, W. Liu*, Y. Cheng, Z. Xu，Femtosecond laser filament array generated with step phase plate in air，Opt. Express, 21, 4612, (2013)
[15] X. Sun, H. Gao, B. Zeng, S. Xu, W. Liu*, Y. Cheng, Z. Xu, and G. Mu, Multiple filamentation generated by focusing femtosecond laser with axicon, Opt. Lett., 37, 857 (2012)
[16] X. Sun, S. Xu, J. Zhao, W. Liu*, Y. Cheng, Z. Xu, S. L. Chin, and G. Mu, Impressive laser intensity increase at the trailing stage of femtosecond laser filamentation in air, Opt. Express, 20, 4790 (2012)
[17] S. Xu, X. Sun, B. Zeng, W. Chu, J. Zhao, W. Liu*, Y. Cheng, Z. Xu, and S. L. Chin, Simple method of measuring laser peak intensity inside femtosecond laser filament in air, Opt. Express, 20, 299 (2012)
[18] Y. Fu, H. Xiong, H. Xu, J. Yao, B. Zeng, W. Chu, Y. Cheng*, Z. Xu, W. Liu*, and S. L. Chin, Generation of extended filaments of femtosecond pulses in air by use of a single-step phase plate, Opt. Lett., 34, 3752 (2009)
[19] Y. Zhang, Y. Chen, S. Xu, H. Lian, M. Wang, W. Liu*, S. L. Chin, and G. Mu, Portraying polarization state of terahertz pulse generated by a two-color laser field in air, Opt. Lett., 34, 2841 (2009)
[20] Y. Chen, C. Marceau, W. Liu*, Z.-D. Sun, Y. Zhang, F. Théberge, M. Châteauneuf, J. Dubois and S. L. Chin, Elliptically polarized terahertz emission in the forward direction of a femtosecond laser filament in air, Appl. Phys. Lett., 93, 231116 (2008)
[21] Y. Zhang, Y. Chen, C. Marceau, W. Liu*, Z.-D. Sun, S. Xu, F. Théberge, M. Châteauneuf, J. Dubois, and S. L. Chin, Non-radially polarized THz pulse emitted from femtosecond laser filament in air, Opt. Express, 16, 15483 (2008)
[22] Z.J. Xu, W. Liu*, N. Zhang, M.W. Wang and X.N. Zhu, Effect of intensity clamping on laser ablation by intense femtosecond laser pulses, Opt. Express, 16,3604 (2008)
[23] W. Liu*, H.L. Xu, G. Méjean, Y. Kamali, J.-F. Daigle, A. Azarm, P.T. Simard, P. Mathieu, G. Roy and S.L. Chin, Efficient non-gated remote-filament induced breakdown spectroscopy of metallic sample, Spectrochimica Acta, B, 62, 76 (2007)
[24] W. Liu*, F. Théberge, E. Arévalo, J.-F. Gravel, A. Becker and S.L. Chin, Experiment and simulations on the energy reservoir effect in femtosecond light filaments, Opt. Lett., 30, 2602 (2005)
[25] W. Liu* and S.L. Chin, Direct measurement of the critical power of femtosecond Ti:sapphire laser pulse in air, Opt. Express, 13, 5750 (2005)
[26] W. Liu*, S.A. Hosseini, Q. Luo, B. Ferland, S.L. Chin, O.G. Kosareva, N.A. Panov and V.P. Kandidov, Experimental observation and simulations of the self-action of white light laser pulse propagating in air, N. J. Phys., 6, 6 (2004)
[27] W. Liu*, S. Petit, A. Becker, N. Aközbek, C.M. Bowden and S.L. Chin, Intensity clamping of a femtosecond laser pulse in condensed matter, Opt. Commun., 202, 189 (2002)
