Attosecond physics phenomena at nanometric tips
Krüger M, Lemell C, Wachter G, Burgdörfer J, Hommelhoff P (2018)
Publication Language: English
Publication Type: Journal article, Letter
Publication year: 2018
Journal
Book Volume: 51
Article Number: 172001
URI: http://iopscience.iop.org/article/10.1088/1361-6455/aac6ac
Open Access Link: http://iopscience.iop.org/article/10.1088/1361-6455/aac6ac
Abstract
Attosecond science is based on electron dynamics driven by a strong optical electric field and has evolved beyond its original scope in gas-phase atomic and molecular physics to solid-state targets. In this review, we discuss a nanoscale attosecond physics laboratory that has enabled the first observations of strong-field-driven photoemission and recollision at a solid surface: laser-triggered metallic nanotips. In addition to the research questions of rather fundamental nature, femtosecond electron sources with outstanding beam qualities have resulted from this research, which has prompted follow-up application in the sensing of electric fields and lightwave electronics, ultrafast microscopy and diffraction, and fundamental matter-wave quantum optics. We review the theoretical and experimental concepts underlying near-field enhancement, photoemission regimes and electron acceleration mechanisms. Nanotips add new degrees of freedom to well known strong-field phenomena from atomic physics. For example, they enable the realization of a true sub-optical-cycle acceleration regime where recollision is suppressed. We also discuss the possibility of high-harmonic generation due to laser irradiation of metallic nanostructures.
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Austria (AT)How to cite
APA:
Krüger, M., Lemell, C., Wachter, G., Burgdörfer, J., & Hommelhoff, P. (2018). Attosecond physics phenomena at nanometric tips. Journal of the Physics B: Atomic and Molecular Physics, 51. https://dx.doi.org/10.1088/1361-6455/aac6ac
MLA:
Krüger, Michael, et al. "Attosecond physics phenomena at nanometric tips." Journal of the Physics B: Atomic and Molecular Physics 51 (2018).
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