Document Type

Article

Publication Date

3-7-2016

Publication Title

Optics Express

ISSN

1094-4087

Volume

24

Issue

5

First Page

4689

Last Page

4697

DOI

https://doi.org/10.1364/OE.24.004689

PubMed ID

29092298

Abstract

Novel feature of high order harmonic generation process for molecules is presented for several molecules at their equilibrium geometries. The high order harmonic spectra reveal additional sidebands for each odd harmonic, which are a consequence of the resonant coupling of two valence orbitals, a mechanism analogous to Mollow triplets known from quantum optics. Strong modification of the high order harmonic generation process is illustrated with time frequency analysis in which there appear additional minima dependent on the Rabi frequency for the corresponding transition. The orbital coupling further leads to the modification of the electron dynamics which is presented using total electron density difference maps.

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