Coherent Amplification in Ultrafast Electron Microscopy

• DOI: 10.1364/cleo_fs.2024.fm2b.3
• Publication Date: 2024-09-05T17:10:46Z
• Authors: Tomer Bucher; Harel Nahari; Hanan Herzig Shei...; Ron Ruimy; Arthur Niedermayr; Raphael Dahan; Qinghui Yan; Yuval Adiv; Michael Yannai; Jialin Chen; Yaniv Kurman; Sang Tae Park; Daniel J. Masiel; Eli Janzen; James H. Edgar; Fabrizio Carbone; Guy Bartal; Shai Tsesses; Frank H.L. Koppens; Giovanni Maria Va...; Ido Kaminer
• Keywords: Ultrafast optics

We present free-electron imaging of sub-cycle spatio-temporal dynamics 2D polariton wavepackets, demonstrating the first simultaneous time-, space-, and phase-resolved measurement such phenomena, resolving their novel features like vortex-anti-vortex singularities for record-low intensities.