High Harmonic Generation Assisted by Metal Nanostructures and Nanoparticles

Husakou, Anton; Im, Song‐Jin; Kim, Kwang‐Hyon; Herrmann, Joachim

doi:10.1007/978-3-319-12217-5_14

Cited by 2 publications

(3 citation statements)

References 44 publications

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“…In this contribution it is shown how the HHG spectra from model Xe atoms are modified by using a plasmonic near enhanced field generated when a metal nanoparticle is illuminated by a short laser pulse. A setup combining a noble gas as a driven media and metal nanoparticles was also proposed recently in (Husakou and Herrmann, 2014;Husakou et al, 2015). For our near-field we use the function given by (Süßmann and Kling, 2011a) to define the spatial nonhomogeneous laser electric field E(x, t), i.e.…”

Section: E Plasmonic Near-fieldsmentioning

confidence: 99%

“…In this contribution it is shown how the HHG spectra from model Xe atoms are modified by using a plasmonic-enhanced near-field generated when a metal nanoparticle is illuminated by a short laser pulse. A setup combining a noble gas as a driven media and metal nanoparticles was also proposed recently in Husakou and Herrmann (2014), Husakou et al (2015).…”

Section: Plasmonic Near-fieldsmentioning

confidence: 99%

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Attosecond physics at the nanoscale

et al. 2017

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Recently two emerging areas of research, attosecond and nanoscale physics, have started to come together. Attosecond physics deals with phenomena occurring when ultrashort laser pulses, with duration on the femto-and sub-femtosecond time scales, interact with atoms, molecules or solids. The laser-induced electron dynamics occurs natively on a timescale down to a few hundred or even tens of attoseconds (1 attosecond=1 as=10 −18 s), which is comparable with the optical field. For comparison, the revolution of an electron on a 1s orbital of a hydrogen atom is ∼ 152 as. On the other hand, the second branch involves the manipulation and engineering of mesoscopic systems, such as solids, metals and dielectrics, with nanometric precision. Although nano-engineering is a vast and well-established research field on its own, the merger with intense laser physics is relatively recent. In this report on progress we present a comprehensive experimental and theoretical overview of physics that takes place when short and intense laser pulses interact with nanosystems, such as metallic and dielectric nanostructures. In particular we elucidate how the spatially inhomogeneous laser induced fields at a nanometer scale modify the laser-driven electron dynamics. Consequently, this has important impact on pivotal processes such as above-threshold ionization and high-order harmonic generation. The deep understanding of the coupled dynamics between these spatially inhomogeneous fields and matter configures a promising way to new avenues of research and applications. Thanks to the maturity that attosecond physics has reached, together with the tremendous advance in material engineering and manipulation techniques, the age of atto-nano physics has begun, but it is in the initial stage. We present thus some of the open questions, challenges and prospects for experimental confirmation of theoretical predictions, as well as experiments aimed at characterizing the induced fields and the unique electron dynamics initiated by them with high temporal and spatial resolution.

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Section: E Plasmonic Near-fieldsmentioning

confidence: 99%

Section: Plasmonic Near-fieldsmentioning

confidence: 99%

Attosecond physics at the nanoscale

et al. 2017

View full text Add to dashboard Cite

show abstract

Section: E Plasmonic Near-fieldsmentioning

confidence: 99%

21st Century Nanoscience – A Handbook

Sattler

2019

View full text Add to dashboard Cite

Two emerging areas of research, attosecond and nanoscale physics, have recently started to merge. Attosecond physics deals with phenomena occurring when ultrashort laser pulses, with duration on the femto-and sub-femtosecond time scales, interact with atoms, molecules or solids. The laserinduced electron dynamics occurs natively on a timescale down to a few hundred or even tens of attoseconds (1 attosecond=1 as=10 −18 s), which is of the order of the optical field cycle. For comparison, the revolution of an electron on a 1s orbital of a hydrogen atom is ∼ 152 as. On the other hand, the second topic involves the manipulation and engineering of mesoscopic systems, such as solids, metals and dielectrics, with nanometric precision. Although nano-engineering is a vast and well-established research field on its own, the combination with intense laser physics is relatively recent. We present a comprehensive theoretical overview of the tools to tackle and understand the physics that takes place when short and intense laser pulses interact with nanosystems, such as metallic and dielectric nanostructures. In particular we elucidate how the spatially inhomogeneous laser induced fields at a nanometer scale modify the laser-driven electron dynamics. Consequently, this has important impact on pivotal processes such as above-threshold ionization and high-order harmonic generation. The deep understanding of the coupled dynamics between these spatially inhomogeneous fields and matter configures a promising way to new avenues of research and applications. Thanks to the maturity that attosecond physics has reached, together with the tremendous advance in material engineering and manipulation techniques, the age of atto-nano physics has begun, but it is still in an incipient stage.

show abstract

High Harmonic Generation Assisted by Metal Nanostructures and Nanoparticles

Cited by 2 publications

References 44 publications

Attosecond physics at the nanoscale

Attosecond physics at the nanoscale

21st Century Nanoscience – A Handbook

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