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  Attosecond physics phenomena at nanometric tips

Kruger, M., Lemell, C., Wachter, G., Burgdoerfer, J., & Hommelhoff, P. (2018). Attosecond physics phenomena at nanometric tips. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 51(17): 172001.

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 Creators:
Kruger, Michael1, Author
Lemell, Christoph1, Author
Wachter, Georg1, Author
Burgdoerfer, Joachim1, Author
Hommelhoff, Peter2, Author              
Affiliations:
1external, ou_persistent22              
2Hommelhoff Group, Associated Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364693              

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Free keywords: attosecond physics; nano-optics; strong-field physics
 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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Language(s): eng - English
 Dates: 2018-09-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1088/1361-6455/aac6ac
 Degree: -

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Title: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Source Genre: Journal
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Publ. Info: IOP PUBLISHING LTD
Pages: - Volume / Issue: 51 (17) Sequence Number: 172001 Start / End Page: - Identifier: ISSN: 0953-4075