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Ultrafast Control of Even-Order Harmonic Generation from Solids by an Intense Terahertz Field

MPG-Autoren
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Tancogne-Dejean,  N.
Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci CFEL;
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
ETSF, Hamburg;

/persons/resource/persons22028

Rubio,  A.
Deutsch Elektronen Synchrotron DESY, Ctr Free Elect Laser Sci CFEL;
Univ Hamburg, Dept Phys;
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
ETSF, Hamburg;

Externe Ressourcen

https://dx.doi.org/10.1109/IRMMW-THz.2018.8510220
(Verlagsversion)

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Zitation

Huang, H., Song, L., Tancogne-Dejean, N., Klemke, N., Rubio, A., Kaertner, F. X., et al. (2018). Ultrafast Control of Even-Order Harmonic Generation from Solids by an Intense Terahertz Field. In 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Piscataway, New Jersey, US: IEEE.


Zitierlink: https://hdl.handle.net/21.11116/0000-0002-92F5-4
Zusammenfassung
Nonperturbative even-order harmonics, physically forbidden in centrosymmetric crystals, are observed from both insulator (diamond) and semiconductor (silicon) samples driven by IR pulses, when in addition an intense THz electric field is applied to the solid. The time-resolved study of the high-harmonic spectra with the temporal profile of the THz electric field suggests a transient THz-field-induced symmetry reduction. We also investigate the harmonics' yields depending on the angles of the linear IR and THz polarizations with respect to the crystal axes. This work might pave the way for THz-based symmetry control in solids with important ramifications for petahertz electronics.