Extending the high-order-harmonic spectrum using surface plasmon polaritons

Ebadian, H.; Mohebbi, Masoud

doi:10.1103/physreva.96.023415

Cited by 8 publications

(2 citation statements)

References 37 publications

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“…[15][16][17] Polaritonics has recently attracted the interest of chemists since the pioneering work of Ebbesen et al, who showed that the formation of polaritons can influence photochemical 18 and ground state reactivity. [19][20][21] Several experiments have now shown that electromagnetic confinement leads to essential modifications of processes such as chemical reactions, [18][19][20][21][22][23][24][25][26][27] singlet fission, [28][29][30] intersystem crossing, [31][32][33] crystallization, and assembly, [34][35][36] as well as optical properties like absorption, scattering, and emission, [37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53] although the reproducibility of the chemical reactivity modifications is not always straightforward. 54,55 Crucial experimental aspects are still to be clarified, and cooperation betwee...…”

Section: Introductionmentioning

confidence: 99%

Polaritonic response theory for exact and approximate wave functions

Castagnola,

Riso,

Barlini

et al. 2023

WIREs Comput Mol Sci

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Polaritonic chemistry is an interdisciplinary emerging field that presents several challenges and opportunities in chemistry, physics, and engineering. A systematic review of polaritonic response theory is presented, following a chemical perspective based on molecular response theory. We provide the reader with a general strategy for developing response theory for ab initio cavity quantum electrodynamics (QED) methods and critically emphasize details that still need clarification and require cooperation between the physical and chemistry communities. We show that several well‐established results can be applied to strong coupling light‐matter systems, leading to novel perspectives on the computation of matter and photonic properties. The application of the Pauli–Fierz Hamiltonian to polaritons is discussed, focusing on the effects of describing operators in different mathematical representations. We thoroughly examine the most common approximations employed in ab initio QED, such as the dipole approximation. We introduce the polaritonic response equations for the recently developed ab initio QED Hartree–Fock and QED coupled cluster methods. The discussion focuses on the similarities and differences from standard quantum chemistry methods, providing practical equations for computing the polaritonic properties.This article is categorized under: Electronic Structure Theory > Ab Initio Electronic Structure Methods Theoretical and Physical Chemistry > Spectroscopy Software > Quantum Chemistry

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Section: Introductionmentioning

confidence: 99%

Polaritonic response theory for exact and approximate wave functions

Castagnola,

Riso,

Barlini

et al. 2023

WIREs Comput Mol Sci

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“…Husakou et al has provided one of the first detailed theoretical investigations of HHG driven by a field generated in the vicinity of metal nanostructures [33]. Later on, a series of theoretical and numerical works have been carried out to understand and explain the underlying mechanisms of plasmonic-enhanced HHG in more general scenarios [34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][48][49][50][51][52][53][54][55][56].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous control of harmonic yield and energy cutoff of high-order harmonic generation using seeded plasmonically enhanced fields

et al. 2018

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We study high-order harmonic generation (HHG) driven by seeded plasmonic-enhanced fields.On one hand, plasmonic-enhanced fields have shown a great potential to extend the HHG cutoff, an instrumental pre-requisite for the generation of attosecond pulses. On another hand, the use of XUV seeds appears to have a considerable potential to improve the HHG conversion efficiency, which is typically modest when a unique fundamental laser pulse is employed. By mixing these two sources, we show it is possible to, simultaneously, boost the HHG cutoff and to increase the harmonic photon flux. The combination of these features potentially enables to generate intense and spectrally broad attosecond pulse trains. PACS numbers: * gdixit@phy.iitb.ac.in 1 arXiv:1810.06340v1 [physics.atom-ph]

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Laser interaction with a MIM nanostructure including bowtie aperture and cylindrical holes for plasmonic field enhancement based on strong coupling of LSPR and SPPs

Atefeh,

Masoud

2024

J Comput Electron

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Extending the high-order-harmonic spectrum using surface plasmon polaritons

Cited by 8 publications

References 37 publications

Polaritonic response theory for exact and approximate wave functions

Polaritonic response theory for exact and approximate wave functions

Simultaneous control of harmonic yield and energy cutoff of high-order harmonic generation using seeded plasmonically enhanced fields

Laser interaction with a MIM nanostructure including bowtie aperture and cylindrical holes for plasmonic field enhancement based on strong coupling of LSPR and SPPs

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