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Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics

Author

Listed:
  • Nicolas Tancogne-Dejean

    (Max Planck Institute for the Structure and Dynamics of Matter
    European Theoretical Spectroscopy Facility (ETSF))

  • Oliver D. Mücke

    (Deutsches Elektronen-Synchrotron DESY
    The Hamburg Center for Ultrafast Imaging)

  • Franz X. Kärtner

    (Deutsches Elektronen-Synchrotron DESY
    The Hamburg Center for Ultrafast Imaging
    University of Hamburg)

  • Angel Rubio

    (Max Planck Institute for the Structure and Dynamics of Matter
    European Theoretical Spectroscopy Facility (ETSF)
    Deutsches Elektronen-Synchrotron DESY
    University of Hamburg)

Abstract

The strong ellipticity dependence of high-harmonic generation (HHG) in gases enables numerous experimental techniques that are nowadays routinely used, for instance, to create isolated attosecond pulses. Extending such techniques to solids requires a fundamental understanding of the microscopic mechanism of HHG. Here we use first-principles simulations within a time-dependent density-functional framework and show how intraband and interband mechanisms are strongly and differently affected by the ellipticity of the driving laser field. The complex interplay between intraband and interband effects can be used to tune and improve harmonic emission in solids. In particular, we show that the high-harmonic plateau can be extended by as much as 30% using a finite ellipticity of the driving field. We furthermore demonstrate the possibility to generate, from single circularly polarized drivers, circularly polarized harmonics. Our work shows that ellipticity provides an additional knob to experimentally optimize HHG in solids.

Suggested Citation

  • Nicolas Tancogne-Dejean & Oliver D. Mücke & Franz X. Kärtner & Angel Rubio, 2017. "Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics," Nature Communications, Nature, vol. 8(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00764-5
    DOI: 10.1038/s41467-017-00764-5
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    Cited by:

    1. Soonyoung Cha & Minjeong Kim & Youngjae Kim & Shinyoung Choi & Sejong Kang & Hoon Kim & Sangho Yoon & Gunho Moon & Taeho Kim & Ye Won Lee & Gil Young Cho & Moon Jeong Park & Cheol-Joo Kim & B. J. Kim , 2022. "Gate-tunable quantum pathways of high harmonic generation in graphene," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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