Quantum electrodynamic treatment of harmonic generation in intense optical fields

J. Gao, F. Shen, J. G. Eden

Research output: Contribution to journalArticlepeer-review

Abstract

A theoretical description of high order harmonic generation has been developed that draws upon QED scattering theory and relationships developed previously for multiphoton processes. The framework presented here offers a new perspective on the harmonic generation process and reproduces the salient characteristics of experimental spectra. A direct connection is drawn between harmonic generation and above threshold ionization, and calculated spectra suggest that transitions between (stationary) quantized field Volkov states represent the dominant contribution to the spectrum.

Original languageEnglish (US)
Pages (from-to)1833-1836
Number of pages4
JournalPhysical review letters
Volume81
Issue number9
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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