Quantum Physics with Ultrabroadband and Intense Terahertz Pulses

IEEE Journal of Selected Topics in Quantum Electronics. 2013, 19(1), pp. 8401608-8401608. ISSN 1077-260X. Available under: doi: 10.1109/JSTQE.2012.2202216

Zusammenfassung

We present recent advances in the generation of highly intense multiterahertz transients and their application to nonlinear spectroscopy of bulk semiconductors. An optimized scheme of parametric amplification results in broadband single- or few-cycle terahertz transients with peak electric fields up to 10 or 25 MV/cm, respectively. Time-resolved four-wave mixing terahertz spectroscopy of InSb far away from the interband resonance demonstrates clear signatures of a nonperturbative regime of Rabi flopping. We qualitatively explain the observed behavior within a model of a quantum two-level system. In addition, we demonstrate the dynamical Franz-Keldysh effect in InP resolved on a subcycle timescale. The field-induced modulation of the interband optical absorption at the second harmonic of the driving terahertz field is observed in full agreement with theoretical predictions.

Fachgebiet (DDC)

530 Physik

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ISO 690

PASHKIN, Alexej, Friederike JUNGINGER, Bernhard MAYER, Christian SCHMIDT, Olaf SCHUBERT, Daniele BRIDA, Rupert HUBER, Alfred LEITENSTORFER, 2013. Quantum Physics with Ultrabroadband and Intense Terahertz Pulses. In: IEEE Journal of Selected Topics in Quantum Electronics. 2013, 19(1), pp. 8401608-8401608. ISSN 1077-260X. Available under: doi: 10.1109/JSTQE.2012.2202216

BibTex

@article{Pashkin2013Quant-24563,
  year={2013},
  doi={10.1109/JSTQE.2012.2202216},
  title={Quantum Physics with Ultrabroadband and Intense Terahertz Pulses},
  number={1},
  volume={19},
  issn={1077-260X},
  journal={IEEE Journal of Selected Topics in Quantum Electronics},
  pages={8401608--8401608},
  author={Pashkin, Alexej and Junginger, Friederike and Mayer, Bernhard and Schmidt, Christian and Schubert, Olaf and Brida, Daniele and Huber, Rupert and Leitenstorfer, Alfred}
}

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