EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||3|
|Section||High Harmonic Generation and Attosecond Science|
|Published online||16 April 2019|
Antenna-enhanced high harmonic generation in a wide-bandgap semiconductor ZnO
Institute of Industrial Science, The University of Tokyo, 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8505, Japan
* Corresponding author: firstname.lastname@example.org
Published online: 16 April 2019
We demonstrate high harmonic generation (HHG) into deep-UV range in a ZnO single crystal with resonant nanoantennas. Non-perturbative HHG is successfully induced by optical excitation of as low as 20 GW/cm2. The spectral selection rule is found to reflect crystal symmetry, suggesting the possibility of nano-scaled EUV sources and band-structure reconstruction.
© The Authors, published by EDP Sciences, 2019
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