2017
DOI: 10.1002/andp.201700093
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Electron‐Nuclear Dynamics in Molecular Harmonic Generation Driven by a Plasmonic Nonhomogeneous Field

Abstract: Electron (z)-nuclear (R) dynamics in the molecular high-order harmonic generation (MHHG) from H 2 + driven by the plasmonic nonhomogeneous field, generated by the surface plasmon polaritons in the bowtie-shaped nanostructure, have been theoretically investigated through solving the two dimensional time-dependent Schrödinger equation with the Non-Bohn-Oppenheimer approximation. It is found that (i) due to the plasmonic enhancement of the laser intensity, the harmonic cutoff can be extended when the spatial posi… Show more

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Cited by 40 publications
(2 citation statements)
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“…Furthermore, redshift in HHG is commonly expected for any molecule beyond the Born-Oppenheimer approximation [17,18]. In recent years, great effort has been made to probe the effect of nuclear dynamics on high harmonic spectroscopy [19][20][21].…”
Section: = +mentioning
confidence: 99%
“…Furthermore, redshift in HHG is commonly expected for any molecule beyond the Born-Oppenheimer approximation [17,18]. In recent years, great effort has been made to probe the effect of nuclear dynamics on high harmonic spectroscopy [19][20][21].…”
Section: = +mentioning
confidence: 99%
“…For both spectroscopic applications and the optimization of attosecond pulses, it is necessary to increase the cut-off frequency and the conversion efficiency of the HHG. A lot of methods have been performed to achieve it, such as the twocolor laser field and the nano-plasmonic enhancement field [20][21][22][23][24][25]. Since the ponderomotive energy is proportional to the square of the wavelength of the driving field (U p ∝λ 2 ) according to the three-step model, the long-wavelength laser field, such as mid-infrared laser field, was extensively introduced to be the driving field in order to improve the cut-off frequency of the HHG [26][27][28][29][30][31].…”
Section: Introductionmentioning
confidence: 99%