Attosecond pulses measured from the attosecond lighthouse

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1038/nphoton.2015.271
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Name affiliation
  1. National Research Council Canada. Security and Disruptive Technologies
FormatText
TypeArticle
Journal titleNature Photonics
ISSN1749-4885
SubjectHarmonic generation; Laser pulses; Lighthouses; Wavefronts; Attosecond pulse; Attoseconds; High harmonic generation; Isolated attosecond pulse; Single atoms; Temporal measurements; Ultra-fast; Unique spectra; Pulse generators
Abstract
The attosecond lighthouse is a method of using ultrafast wavefront rotation with high-harmonic generation to create a series of coherent, spatially separated attosecond pulses. Previously, temporal measurements by photoelectron streaking characterized isolated attosecond pulses created by manipulating the single-atom response. The attosecond lighthouse, in contrast, generates a series of pulses that spatially separate and become isolated by propagation. Here, we show that ultrafast wavefront rotation maintains the single-atom response (in terms of temporal character) of an isolated attosecond pulse over two octaves of bandwidth. Moreover, we exploit the unique property of the attosecond lighthouse—the generation of several isolated pulses—to measure the three most intense pulses. These pulses each have a unique spectrum and spectral phase.
Publication date
PublisherNature Publishing Group
LanguageEnglish
Peer reviewedYes
NPARC number21277471
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