• Dandan Hui, Husain Alqatan, Simin Zhang, Vladimir Pervak, Enam Chowdhury, and  Mohammed Th. Hassan, Ultrafast optical switching and data encoding on synthesized light fields, Science Advances, 2023 (in press).


  • Dandan Hui, Husain Alqatan, Y. Shunsuke, Volodymyr Pervak, Y. Kazuhiro, and  Mohammed Th. Hassan, Attosecond electron motion control in dielectric, Nature Photonics 16, 33–37 (2022).






  • M. Th. Hassan, J. S. Baskin, B. Laio, and A. H. Zewail, High-temporal-resolution electron microscopy for imaging ultrafast electron dynamics, Nature Photonics 11, 425–430 (2017).


News and Views

Attosecond photonics: Imaging ultrafast electron dynamics (Nature Photonics).


  • Patent: Attomicroscopy: Attosecond electron imaging and microscopy, US Patent, Application No.16394920.


  • X. Fu, B. Chen, J. Tang, M. Th. Hassan, A. H. Zewail, Imaging rotational dynamics of nanoparticles in liquid by 4D electron microscopy, Science, 2017. 355(6324): p. 494-498.

News and Views

Laser-driven nanoparticle motion in liquids (Science)


  • M. Th. Hassan, T.T. Luu, A. Moulet, O. Razskazovskaya,P. Zhokhov, M. Garg, N. Karpowicz, A. M. Zheltikov,V. Pervak, F. Krausz and E. Goulielmakis, Optical attosecond pulses and tracing the nonlinear response of bound electrons, Nature 530, 66-70  (2016).

News and Views

Optical physics: Ultrashort light pulses shake atoms (Nature)

Shortest ever pulse of visible light spots photons fleeing atoms (New Scientist)

Sluggish electrons caught in action (ScienceDaily)

Superfast light pulses able to measure response time of electrons to light (

Fastest Light Pulses Show Electrons Are Sluggish (IEEE spectrum)

Sluggish electrons caught in action (ChemEurop).


  • M. Th. Hassan, H. Liu, J. S. Baskin, and A. H. Zewail, Photon gating in four-dimensional ultrafast electron microscopy, Proceedings of the National Academy of Sciences of the United States of America (PNAS) , 112, 12944-12949, (2015).


  • T. T. Luu, M. Garg, S. Y. Kruchinin, A. Moulet, M. T. Hassan, and E. Goulielmakis, Extreme ultraviolet high-harmonic spectroscopy of solids, Nature 521, 498 (2015).


  • Wirth, M. Th. Hassan, I. Grguraš, J. Gagnon, A. Moulet, T.T. Luu, S. Pabst, R. Santra, Z. Alahmed, A.M. Azzeer, V.S. Yakovlev, V. Pervak, F. Krausz and E. Goulielmakis, Synthesized Light Transients,  Science 334, 195, (2011).


  • M. Th. Hassan, A. Wirth, I. Grguraš, A. Moulet, T.T. Luu, J. Gagnon, V. Pervak and E. Goulielmakis, "Invited Article”: Attosecond Photonics: Synthesis and Control of Light Transients, Rev. Sci. Instrum., 83 (2012) .


  • O. Razskazovskaya, M. Th. Hassan, T.T. Luu, E. Goulielmakis1 and V. Pervak, Efficient broadband highly dispersive HfO2/SiO2 multilayer mirror for pulse compression in near UV, Optics Express, 24(12):13628-13633