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The roles of photo-carrier doping and driving wavelength in high harmonic generation from a semiconductor

Author

Listed:
  • Zhou Wang

    (The Ohio State University)

  • Hyunwook Park

    (The Ohio State University)

  • Yu Hang Lai

    (The Ohio State University)

  • Junliang Xu

    (The Ohio State University)

  • Cosmin I. Blaga

    (The Ohio State University)

  • Fengyuan Yang

    (The Ohio State University)

  • Pierre Agostini

    (The Ohio State University)

  • Louis F. DiMauro

    (The Ohio State University)

Abstract

High-harmonic generation from gases produces attosecond bursts and enables high-harmonic spectroscopy to explore electron dynamics in atoms and molecules. Recently, high-harmonic generation from solids has been reported, resulting in novel phenomena and unique control of the emission, absent in gas-phase media. Here we investigate high harmonics from semiconductors with controllable induced photo-carrier densities, as well as the driving wavelengths. We demonstrate that the dominant generation mechanism can be identified by monitoring the variation of the harmonic spectra with the carrier density. Moreover, the harmonic spectral dependence on the driving wavelength is reported and a different dependence from the well-known one in gas-phase media is observed. Our study provides distinct control of the harmonic process from semiconductors, sheds light on the underlying mechanism and helps optimize the harmonic properties for future solid-state attosecond light sources.

Suggested Citation

  • Zhou Wang & Hyunwook Park & Yu Hang Lai & Junliang Xu & Cosmin I. Blaga & Fengyuan Yang & Pierre Agostini & Louis F. DiMauro, 2017. "The roles of photo-carrier doping and driving wavelength in high harmonic generation from a semiconductor," Nature Communications, Nature, vol. 8(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-01899-1
    DOI: 10.1038/s41467-017-01899-1
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    Cited by:

    1. Sha Li & Yaguo Tang & Lisa Ortmann & Bradford K. Talbert & Cosmin I. Blaga & Yu Hang Lai & Zhou Wang & Yang Cheng & Fengyuan Yang & Alexandra S. Landsman & Pierre Agostini & Louis F. DiMauro, 2023. "High-order harmonic generation from a thin film crystal perturbed by a quasi-static terahertz field," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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