Abstract
New ways of controlling quasi-free and free electrons by means of phase-controlled ultrashort laser pulses are demonstrated: from strong-field physics in the conducting 2-d material graphene and at the surface of nanostructures, to laser acceleration of free electrons with a nanophotonic structure, and the demonstration of the longitudinal Kapitza-Dirac effect.
Highlights
Strong-field physics at the surface of nanoscale structures has been demonstrated several years ago [5]
Research on electron dynamics inside of solids has been limited to dielectrics and semiconductors [3]
Quantum-path interference with a very high degree of coherence is demonstrated in photoemission from metal tips [6], as well as the tell-tale plateau structure, indicating electronic recollision, from nanoscale structures with other dimensionality
Summary
Strong-field physics at the surface of nanoscale structures has been demonstrated several years ago [5]. Twenty-five years after the broad acceptance of the recollision picture in atomic strongfield physics [1, 2], introducing optical-field-driven control over electrons, a similar level of control has not long ago been introduced to solid matter. Research on electron dynamics inside of solids has been limited to dielectrics and semiconductors [3].
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