Search Results - "Martínez, P. González de Alaiza"

THz field engineering in two-color femtosecond filaments using chirped and delayed laser pulses by Nguyen, A, Martínez, P González de Alaiza, Thiele, I, Skupin, S, Bergé, L

“…We numerically study the influence of chirping and delaying several ionizing two-color light pulses in order to engineer terahertz (THz) wave generation in…”
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Boosting terahertz generation in laser-field ionized gases using a sawtooth wave shape by Martínez, P González de Alaiza, Babushkin, I, Bergé, L, Skupin, S, Cabrera-Granado, E, Köhler, C, Morgner, U, Husakou, A, Herrmann, J

“…Broadband ultrashort terahertz (THz) pulses can be produced using plasma generation in a noble gas ionized by femtosecond two-color pulses. Here we demonstrate…”
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Numerical studies of dielectric material modifications by a femtosecond Bessel–Gauss laser beam by Beuton, R., Chimier, B., Quinoman, P., González Alaiza de Martínez, P., Nuter, R., Duchateau, G.

“…Femtosecond Bessel–Gauss beams are attractive tools to a large area of laser processes including high aspect ratio volume nanostructuration in dielectric…”
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Optical Bloch modeling of femtosecond-laser-induced electron dynamics in dielectrics by Smetanina, Evgeniya O., Martinez, P. G. D., Thiele, I., Chimier, B., Bourgeade, A., Duchateau, G.

“…A model based on optical Bloch equations is developed to describe the interaction of femtosecond laser pulses with dielectric solids, accounting for…”
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Resonant Effects in Terahertz Generation with Laser-Induced Gas Plasmas by Thiele, I., Zhou, B., Nguyen, A., Smetanina, E., Nuter, R., de Alaiza Martínez, P. González, Kaltenecker, K. J., Déchard, J., Bergé, L., Jepsen, P. U., Skupin, S.

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Validity of the unidirectional propagation model: application to laser-driven terahertz emission by Déchard, J, Nguyen, A, Martínez, P González de Alaiza, Thiele, I, Skupin, S, Bergé, L

“…The Unidirectional Pulse Propagation Equation (uppe) is often used to compute the forward component of ultrashort light pulses in nonlinear materials. While…”
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Spectral dynamics of THz pulses generated by two-color laser filaments in air: the role of Kerr nonlinearities and pump wavelength by Nguyen, A, González de Alaiza Martínez, P, Déchard, J, Thiele, I, Babushkin, I, Skupin, S, Bergé, L

“…We theoretically and numerically study the influence of both instantaneous and Raman-delayed Kerr nonlinearities as well as a long-wavelength pump in the…”
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Terahertz radiation driven by two-color laser pulses at near-relativistic intensities: Competition between photoionization and wakefield effects by González de Alaiza Martínez, P., Davoine, X., Debayle, A., Gremillet, L., Bergé, L.

“…We numerically investigate terahertz (THz) pulse generation by linearly-polarized, two-color femtosecond laser pulses in highly-ionized argon. Major processes…”
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Maxwell-consistent, symmetry-and energy-preserving solutions for ultrashort laser pulse propagation beyond the paraxial approximation by Martínez, P. González de Alaiza, Duchateau, G., Chimier, B., Nuter, R., Thiele, I., Skupin, Stefan, Tikhonchuk, V. T.

“…We analytically and numerically investigate the propagation of ultrashort tightly focused laser pulses in vacuum, with particular emphasis on Hermite-Gaussian…”
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Broadband terahertz emission from two-color femtosecond-laser-induced microplasmas by Thiele, Illia, González de Alaiza Martínez, Pedro, Nuter, Rachel, Nguyen, A, Bergé, L, Skupin, Stefan

“…We investigate terahertz emission from two-color fs-laser-induced microplasmas. Under strongest focusing conditions, microplasmas are shown to act as…”
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Ultrabroad Terahertz Spectrum Generation from an Air-Based Filament Plasma by Andreeva, V A, Kosareva, O G, Panov, N A, Shipilo, D E, Solyankin, P M, Esaulkov, M N, González de Alaiza Martínez, P, Shkurinov, A P, Makarov, V A, Bergé, L, Chin, S L

“…We have solved the long-standing problem of the mechanism of terahertz (THz) generation by a two-color filament in air and found that both neutrals and plasma…”
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Terahertz emission from laser-driven gas plasmas: a plasmonic point of view by Thiele, I., Zhou, B., Nguyen, A., Smetanina, E., Nuter, R., Kaltenecker, K. J., González de Alaiza Martínez, P., Déchard, J., Bergé, L., Jepsen, P. U., Skupin, S.

“…We investigate terahertz generation in two-color laser-induced gas plasmas. Resonances attributed to plasmonic effects are shown to broaden the emission…”
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Towards compact efficient fs-laser-induced THz sources from microplasmas by Thiele, I., Nuter, R., Gonzalez de Alaiza Martinez, P., Skupin, S.

“…Terahertz (THz) sources are indispensable for various applications such as THz time-domain spectroscopy. A promising approach to generate broadband THz…”
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Corrigendum: Terahertz radiation driven by two-color laser pulses at near-relativistic intensities: Competition between photoionization and wakefield effects by Martínez, P González de Alaiza, Davoine, X, Debayle, A, Gremillet, L, Bergé, L

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Suitability of the unidirectional approach for describing laser-driven terahertz emission by Dechard, J., Gonzalez de Alaiza Martinez, P., Nguyen, A., Thiele, L., Skupin, S., Berge, L.

“…Over the past decade, the increasing potential of terahertz (THz) radiation has stimulated intensive efforts to develop efficient emitters based on the…”
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Nonmonotonic increase in laser-driven THz emissions through multiple ionization events by Debayle, A., González de Alaiza Martínez, P., Gremillet, L., Bergé, L.

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Maxwell-consistent, symmetry- and energy-preserving solutions for ultrashort laser pulse propagation beyond the paraxial approximation by Martínez, P. González de Alaiza, Duchateau, G, Chimier, B, Nuter, R, Thiele, I, Skupin, S, Tikhonchuk, V. T

“…Phys. Rev. A 98, 043849 (2018) We analytically and numerically investigate the propagation of ultrashort tightly focused laser pulses in vacuum, with…”
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Terahertz emission from laser-driven gas-plasmas: a plasmonic point of view by Thiele, I, Zhou, B, Nguyen, A, Smetanina, E, Nuter, R, Kaltenecker, K. J, Déchard, J, Martínez, P. González de Alaiza, Bergé, L, Jepsen, P. U, Skupin, S

“…Optica, 5, 1617, 2018 We disclose an unanticipated link between plasmonics and nonlinear frequency down-conversion in laser-induced gas-plasmas. For two-color…”
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THz Emissions from Air-Plasmas Created by Mid- and Far-Infrared Two-Color Femtosecond Pulses by Nguyen, A., Berge, L., de Alaiza Martinez, P. Gonzalez, Thiele, I., Skupin, S.

“…We study THz emission by two-color femtosecond filaments in air using mid- to far-infrared pump wavelengths. 3D numerical simulations show that 10.6-μm laser…”
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Impact of the pump wavelength in THz emissions by two-color femtosecond laser filaments in air by Nguyen, A., Gonziilez de Alaiza Martinez, P., Dechard, J., Thiele, I., Babushkin, I., Skupin, S., Berge, L.

“…Laser filamentation is actively studied for its rich variety of applications, from supercontinuum generation to lightning control. In air, femtosecond…”
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