High-Order Harmonic Generation and Quasiphase Matching in Xenon Using Self-Guided Femtosecond Pulses

Lange, H.; Chiron, A.; Ripoche, J.-F.; Mysyrowicz, A.; Breger, P.; Agostini, P.

doi:10.1103/physrevlett.81.1611

Cited by 115 publications

(40 citation statements)

References 10 publications

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“…These results are qualitatively consistent with recent quantum calculations [16] and experimental observations [1][2][3][4][5], but the cutoff order N m of the plateau structure is not precisely consistent with formula N m = (I p + 3.17U p )/hω L [27], here, I p is the ionization potential and…”

Section: Summary and Discussionsupporting

confidence: 76%

“…The development of the high-power femtosecond laser has stimulated the investigation of the multi-photon processes of atoms and molecules interacting with intense laser fields [1][2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

“…Within a proper intensity region, lots of odd harmonics of laser are generated by atomic and molecular gases [1][2][3][4][5]14]. The harmonic structure distributes as a plateau which is cut off at a special high-order harmonic.…”

Section: Introductionmentioning

confidence: 99%

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Classical calculation of high-order harmonic generation of atomic and molecular gases in intense laser fields

et al. 2001

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Based upon our previous works ( Eur. Phys.J.D 6, 319(1999); Chin.Phys. Lett. 18, 236(2001)), we develop a classical approach to calculate the high-order harmonic generation of the laser driven atoms and molecules. The Coulomb singularities in the system have been removed by a regularization procedure.Action-angle variables have been used to generate the initial microcanonical distribution which satisfies the inversion symmetry of the system. The numerical simulation show, within a proper laser intensity, a harmonic plateau with only odd harmonics appears. At higher intensities, the spectra become noisier because of the existence of chaos. With further increase in laser intensity, ionization takes place, and the high-order harmonics disappear. Thus chaos introduces noise in the spectra, and ionization suppresses the harmonic * E-mail address: Chlee@wipm.whcnc.ac.cn. 1 generation, with the onset of the ionization follows the onset of chaos.

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Section: Summary and Discussionsupporting

confidence: 76%

Section: Introductionmentioning

confidence: 99%

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Classical calculation of high-order harmonic generation of atomic and molecular gases in intense laser fields

et al. 2001

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“…4(d) due to the Gouy phase shift and the dispersion of the 800 nm and 400 nm pulses. Like in the quasi-phase matching technique implemented for harmonic generation in filament [12], the THz yield should be enhanced if a phase reversal between 800nm and 400nm is achieved at the turning point of Fig. 3(f).…”

Section: Resultsmentioning

confidence: 99%

Maker fringes in the Terahertz radiation produced by a 2-color laser field in air

Liu¹,

Houard²,

Durand³

et al. 2009

Opt. Express

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Abstract:The terahertz radiation produced by a 2-color femtosecond laser scheme strongly saturates and develops an oscillatory behavior with increasing power of the driving femtosecond laser pulses. This is explained by the formation of a plasma channel due to filamentation. Due to dispersion inside the filament and the Gouy phase shift, the phase difference between the 800 nm and 400 nm pulses varies along this plasma emitter. As a result, the local THz radiations generated along the filament interfere destructively or constructively, which manifests itself in the form of Maker fringes.

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“…Long-range propagation is particularly useful for efficient generation of the third harmonic in air and for high-order harmonics generation in noble gasses [53]. Besides frequency conversion, amplification of backscattered fluorescence of nitrogen molecules by the ultrashort light filament, i. e. laser action in air has been observed [54].…”

Section: Emerging Applicationsmentioning

confidence: 99%

Nonlinear localization of light

Dubietis¹

2006

Lithuanian J. Phys.

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We briefly overview historical, fundamental, and practical aspects of light wave propagation, where strong multidimensional localization and precise control of ultrashort signals is demanded. The main topic is focused on the state of art of recently discovered nonlinear conical waves, or so-called X-shaped light bullets, which have been demonstrated to appear spontaneously in many different, frequently encountered operating regimes in transparent gaseous, liquid, and solid media. Owing to unique features of white-light frequency spectrum, strong localization, deep-field stationarity, and hot-spot regeneration property, nonlinear conical waves have great potential in all applications requiring energy transfer to matter over very limited transverse areas in thick media, which thus suffer the short focal depth of conventional laser beams. Practical applications that cover many different areas ranging from nano-science to high-field physics are discussed.

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High-Order Harmonic Generation and Quasiphase Matching in Xenon Using Self-Guided Femtosecond Pulses

Cited by 115 publications

References 10 publications

Classical calculation of high-order harmonic generation of atomic and molecular gases in intense laser fields

Classical calculation of high-order harmonic generation of atomic and molecular gases in intense laser fields

Maker fringes in the Terahertz radiation produced by a 2-color laser field in air

Nonlinear localization of light

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