Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions

Fu Yuan Jeng; Dmitry A. Telnov; Shih I. Chu

doi:10.1007/978-3-642-28948-4_41

Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions

Fu Yuan Jeng, Dmitry A. Telnov, Shih I. Chu

Кафедра квантовой механики

Research output › › peer-review

Abstract

We present fully ab initio three-dimensional (3D) calculations of highorder harmonic generations (HHG) of aligned hydrogenmolecular ions, HC 2 , subject to intense linearly-polarized laser pulses. The numerical method is based on the high-precision time-dependent generalized pseudospectral method and the wavelet transform as the tool for time-frequency analysis. We show that the orientation of the molecular axis with respect to the polarization of the laser field strongly affect the electron returning times and below-threshold HHG dynamics. In this study, we find that the short (long) trajectories dominate the emission of below-threshold harmonics when the molecular axis is parallel (perpendicular) to the polarization vector of the laser field.

Original language	English
Title of host publication	Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011
Publisher	Springer Nature
Pages	247-251
Number of pages	5
Volume	125
ISBN (Print)	9783642289477
DOIs	https://doi.org/10.1007/978-3-642-28948-4_41
Publication status	Published - 1 Jan 2012
Event	12th International Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011 - Sapporo, Hokkaido Duration: 3 Jul 2011 → 8 Jul 2011

Conference

Conference	12th International Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011
Country	Japan
City	Sapporo, Hokkaido
Period	3/07/11 → 8/07/11

Scopus subject areas

Physics and Astronomy(all)

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Jeng, F. Y., Telnov, D. A., & Chu, S. I. (2012). Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions. In Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011 (Vol. 125, pp. 247-251). Springer Nature. https://doi.org/10.1007/978-3-642-28948-4_41

Jeng, Fu Yuan ; Telnov, Dmitry A. ; Chu, Shih I. / Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions. Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011. Vol. 125 Springer Nature, 2012. pp. 247-251

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title = "Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions",

abstract = "We present fully ab initio three-dimensional (3D) calculations of highorder harmonic generations (HHG) of aligned hydrogenmolecular ions, HC 2 , subject to intense linearly-polarized laser pulses. The numerical method is based on the high-precision time-dependent generalized pseudospectral method and the wavelet transform as the tool for time-frequency analysis. We show that the orientation of the molecular axis with respect to the polarization of the laser field strongly affect the electron returning times and below-threshold HHG dynamics. In this study, we find that the short (long) trajectories dominate the emission of below-threshold harmonics when the molecular axis is parallel (perpendicular) to the polarization vector of the laser field.",

author = "Jeng, {Fu Yuan} and Telnov, {Dmitry A.} and Chu, {Shih I.}",

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publisher = "Springer Nature",

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Jeng, FY, Telnov, DA & Chu, SI 2012, Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions. in Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011. vol. 125, Springer Nature, pp. 247-251, 12th International Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011, Sapporo, Hokkaido, 3/07/11. https://doi.org/10.1007/978-3-642-28948-4_41

Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions. / Jeng, Fu Yuan; Telnov, Dmitry A.; Chu, Shih I.

Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011. Vol. 125 Springer Nature, 2012. p. 247-251.

Research output › › peer-review

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Jeng FY, Telnov DA, Chu SI. Below-threshold high-harmonic spectroscopy with aligned hydrogen molecular ions. In Multiphoton Processes and Attosecond Physics - Proceedings of the 12th Int. Conference on Multiphoton Processes, ICOMP 2011 and the 3rd International Conference on Attosecond Physics, ATTO 2011. Vol. 125. Springer Nature. 2012. p. 247-251 https://doi.org/10.1007/978-3-642-28948-4_41