Attosecond Field Emission

Abstract

Field-emission of electrons underlies major advances in science and technology, ranging from imaging the atomic-scale structure of matter to signal processing at ever-higher frequencies. The advancement of these applications to their ultimate limits of temporal resolution and frequency calls for techniques that can confine and probe the field emission on the sub-femtosecond time scale. We used intense, sub-cycle transients to induce optical field emission of electron pulses from tungsten nanotips and a weak replica of the same transient to directly probe the emission dynamics in real-time. Access into the temporal profile of the emerging electron pulses, including the duration $\tau$ = (53 as $\pm$ 5 as) and chirp, and the direct probing of nanoscale near-fields, open new prospects for research and applications at the interface of attosecond physics and nanooptics.

References in corpus (4)

• Attosecond control of electrons emitted from a nanoscale metal tip
• A Femtosecond Nanometer Free Electron Source
• Attosecond Electron Pulse Trains and Quantum State Reconstruction in Ultrafast Transmission Electron Microscopy
• High-temporal-resolution electron microscopy for imaging ultrafast electron dynamics

Cited by in corpus (12)

• Advances in ultrafast plasmonics
• Tracing attosecond electron emission from a nanometric metal tip
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• Driving electrons at needle tips strongly with quantum light
• Lightwave-Electronic Harmonic Frequency Mixing
• Adaptive Time Stepping for the Two-Time Integro-Differential Kadanoff-Baym Equations
• Quantum Nanophotonics with Energetic Particles:X-rays and Free Electrons
• Attosecond physics in optical near fields
• Quantum wavefunction reconstruction by free-electron spectral shearing interferometry
• Optical absorption activated by an ultrashort half-cycle pulse in metallic and superconducting states of the Hubbard model
• Ultrafast optically induced tunneling in narrow metallic gaps from the time dependent density functional perspective
• Coincidence detection techniques for direct measurement of many-body correlations in strongly correlated electron systems