Ultrafast laser science and technology has deeply impacted our understanding of the nature and the ability of transforming the world. By concentrating the light energy into a very short time scale of picosecond (10-12s), femtosecond (10-15s) and even attosecond (10-18s), ultrafast laser pulse could play as the “fastest camera” to record the motion dynamic of molecules, atoms and electrons, etc. The highest light intensity product by ultrafast laser pulse has exceeded 1022W/cm2and is expected to reach 1024W/cm2(1025 times more intense than the sunlight striking Earth) in a few years by building a 100 PW (1017W) laser system in SIOM, Shanghai. The ultrafast laser is so powerful that it has the ability to transform the material at the sub-atomic scale, being the “most accurate knife” nowadays. Since 1995, ultrafast laser science and technology have been awarded Nobel prizes in Physics or Chemistry four times.
Working at the forefront of ultrafast laser science and technology, our group is devoted to studying the fundamental physics of the interaction of ultrafast laser pulse with matters, to developing cutting edge spectroscopic and imaging techniques to fulfill the applications in atmospheric pollution detection, non-destructive inspection and bio-medical examination.
Research Highlight
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Nankai Qi Pengfei&Liu Weiwei Team: Understanding the Important New Progress of Electromagnetic Waves in Deep Subwavelength Disordered Systems
Nanoscale, 2023, 15, 12907
https://doi.org/10.1039/D3NR01670F
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Listening to terahertz waves
http://dx.doi.org/10.1515/nanoph-2023-0026
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Infrared femtosecond multiphoton cross-linking makes the cornea stronger
JOURNAL OF BIOPHOTONICS:DOI: 10.1002/jbio.202200160
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Stratified craftsmanship and exceptional weather: corner stacking enhances phonon assisted upconversion luminescence
https://doi.org/10.1038/s41377-022-01051-9
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Over 20 μJ THz laser pulse generated at 1 kHz in gas media
Opto-Electronic Advances:DOI: 10.29026/oea.2022.210065
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Symphony of plasmons: Giant enhancement of two-dimensional excitonic upconversion
Light: Science & Applications:DOI:10.21203/rs.3.rs-429365/v1
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To "run up" exciton devices and regulate two-dimensional exciton non equilibrium spatiotemporal dynamics (from: AdvancedScienceNews)
Advanced Materials Technologies:
DOI:10.1002/admt.202200032
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Ultra fast laser filamentation: a master of various optical effects (translated from: Chinese Laser)
Summary of Research on Ultrafast Laser Filamentation Phenomenon, Chinese Laser, 2020, 47(5):500003
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Phonons vs Disorder:Exciton Dynamics in Low Dimensional Disordered System
Embley and Li Light:Science&Application (2021)10:229
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High Mobility 3D Dirac Semimetal (Cd3As2) for Ultrafast Photoactive Terahertz Photonics
Adv. Funct. Mater. 2021, 31(17): 2011011
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Effect of Molecular Orbital Angular Momentum on the Spatial Distribution of Fluorescence during Femtosecond Laser Filamentation in Air.
The Journal of Physical Chemistry Letters, 2020, 11(3): 730-734.
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Femtosecond-laser-driven wire-guidedhelical undulator for intense terahertz radiation
Nature Photonics, 2017, 11(4): 242-246.
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Monitor corneal water content to retain "light" for 20 million people (translated from: Progress in Laser and Optoelectronics)
A Review of Optical Measurement Methods for Corneal Moisture Content[J].Progress in Laser and Optoelectronics, 2020, 57(17): 170001