Surface-enhanced high-harmonic generation: A promising approach for extreme ultraviolet frequency combs

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Abstract

We propose a promising scheme to produce extreme ultraviolet frequency combs through high-harmonic generation with a surface-enhanced optical field. High harmonics are generated in a wavelength-scale spatial region and show a noticeable emission probability at an angle around 10° relative to the surface. This can be further controlled with an additional static electric field or polarization-gated scheme, leading to enhanced energy conversion efficiency and extra even-order harmonic generation.

Original languageEnglish
Pages (from-to)2050-2052
Number of pages3
JournalOptics Letters
Volume33
Issue number18
DOIs
StatePublished - 15 Sep 2008
Externally publishedYes

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