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Article Dans Une Revue Physical Review B Année : 2022

Two-fluid plasma model for ultrashort laser-induced electron-hole nanoplasmas

Résumé

We present a two-fluid plasma model to describe localized interaction, at submicrometer scale, of highly focused ultrashort laser pulses within dielectrics and semiconductors. This model includes transport of the electron-hole plasma, electron-hole scattering, photoionization, impact ionization, and interactions between charge carriers and phonons. We start with a plasma kinetic description, and we consistently derive the two-fluid plasma model equations. Our numerical results highlight that transport of the electron-hole plasma can strongly affect the plasma density profile in the case of extremely localized interaction.
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Dates et versions

hal-03813306 , version 1 (13-10-2022)

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Benoît Morel, Remo Giust, Kazem Ardaneh, François Courvoisier. Two-fluid plasma model for ultrashort laser-induced electron-hole nanoplasmas. Physical Review B, 2022, 106 (3), pp.035207 (12). ⟨10.1103/physRevB.106.035207⟩. ⟨hal-03813306⟩
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