Abstract
High harmonic generation (HHG) [1,2] in gas-phase atomic or molecular targets has been extensively studied and developed over the past few decades, enabling attosecond spectroscopy [3] and tomographic imaging of molecular orbitals [4]. Recently, HHG could also been demonstrated in solid-state systems [5-8], which allows for applying attosecond spectroscopy techniques to condensed matter in an all-optical fashion as well as utilizing a solid’s electrons as a probe to investigate structural anisotropies [9]. Here, we extend these novel approaches by nanoscale engineering of the solid targets and demonstrate that HHG in semiconductors can be tailored and controlled by modification of the local chemical composition or the microstructure.
© 2017 IEEE
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