Enhanced harmonic emission from a polar molecule medium driven by few-cycle laser pulses | Zendy

Chaojin Zhang | Zendy; Jinping Yao | Zendy; Jielei Ni | Zendy; Fadhil A. Umran | Zendy

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Enhanced harmonic emission from a polar molecule medium driven by few-cycle laser pulses

Author(s) -

Chaojin Zhang,

Jinping Yao,

Jielei Ni,

Fadhil A. Umran

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.026521

Subject(s) - harmonics , optics , laser , high harmonic generation , harmonic , physics , polar , phase (matter) , mixing (physics) , materials science , quantum mechanics , voltage , astronomy

We investigate theoretically the enhancement of the low-order harmonic emission from a polar molecular medium. The results show that, by using a control laser field, the intensity of the spectral signals near fourth-order harmonics will increase over 25 times as a result of the four-wave mixing process. Moreover, the enhancement effects depend strongly on the carrier-envelope phase of the initial laser fields, which cannot be found in a symmetric system.

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