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Title: High-Field High-Repetition-Rate Sources for the Coherent THz Control of Matter

Ultrashort flashes of THz light with low photon energies of a few meV, but strong electric or magnetic field transients have recently been employed to prepare various fascinating nonequilibrium states in matter. Here we present a new class of sources based on superradiant enhancement of radiation from relativistic electron bunches in a compact electron accelerator that we believe will revolutionize experiments in this field. Our prototype source generates high-field THz pulses at unprecedented quasi-continuous-wave repetition rates up to the MHz regime. We demonstrate parameters that exceed state-of-the-art laser-based sources by more than 2 orders of magnitude. The peak fields and the repetition rates are highly scalable and once fully operational this type of sources will routinely provide 1 MV/cm electric fields and 0.3 T magnetic fields at repetition rates of few 100 kHz. In conclusion, we benchmark the unique properties by performing a resonant coherent THz control experiment with few 10 fs resolution.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [1] ;  [4] ;  [5] ;  [6] ;  [1] ;  [1] ;  [1] ;  [1] ;  [7] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [8] more »;  [9] ;  [10] ;  [11] ;  [11] ;  [11] ;  [1] ;  [1] ;  [12] ;  [12] ;  [12] ;  [13] ;  [14] ;  [15] ;  [15] ;  [14] ;  [16] ;  [6] ;  [12] ;  [17] ;  [7] ;  [5] ;  [5] ;  [5] ;  [1] ;  [11] ;  [18] ;  [4] ;  [1] « less
  1. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); S. P. Prune Univ., Prune (India)
  3. European XFEL Gmbh, Hamburg (Germany)
  4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  5. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany); Technische Univ. Dresden (Germany)
  6. Freie Univ., Berlin (Germany)
  7. Karlsruhe Inst. of Technology (KIT) (Germany)
  8. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany); Univ. of Groningen (Netherlands)
  9. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany)
  10. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany); Max Planck Inst.for Solid State Research, Stuttgart (Germany); Univ. Stuttgart, Stuttgart (Germany)
  11. Max Planck Inst. for the Structure and Dynamics of Matter, Hamburg (Germany)
  12. Eotvos Lorand Univ., Budapest (Hungary)
  13. Helmholtz-Zentrum Berlin (HZB), (Germany)
  14. Max Planck Society, Berlin (Germany). Fritz Haber Institute
  15. Gwangju Inst. of Science and Technology (Korea, Republic of)
  16. Institute of Photonic Sciences (ICFO), Barcelona (Spain)
  17. Physikalisch-Technische bundesanstalt (PTB), Berlin (Germany)
  18. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
OSTI Identifier:
1242354
Grant/Contract Number:
AC02-76SF00515
Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Research Org:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY