“Exploring the Limits of Time: From Attosecond Electron Microscopy Imaging To Petahertz Quantum Tunneling and Communication” (Prof. Mohammed Hassan)
- Date: Feb 4, 2025
- Time: 02:30 PM (Local Time Germany)
- Speaker: Prof. Mohammed Hassan
- University of Arizona, Tucson, USA
- Location: Max Planck Institute of Quantum Optics, Hans-Kopferman-Straße 1, 85748 Garching
- Room: Herbert Walther Lecture Hall

We present groundbreaking advancements in ultrafast electron microscopy, quantum current tunneling in graphene, and ultrafast squeezed light, establishing transformative capabilities in attosecond science and technology1. First, we achieved attosecond temporal resolution in a transmission electron microscope by generating a single isolated attosecond electron pulse, far surpassing the highest reported imaging resolutions2,3. This novel tool, termed the “attomicroscope,” represents the world’s fastest electron microscope, enabling the imaging and control of electron motion dynamics in graphene. The attosecond electron imaging method offers real-time and spatial insights into the electron motion of neutral matter, unlocking long-anticipated applications in quantum physics, chemistry, and biology3.
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