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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 24 — Nov. 19, 2012
  • pp: 26521–26527

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

Chaojin Zhang, Jinping Yao, Jielei Ni, and Fadhil A. Umran  »View Author Affiliations

Optics Express, Vol. 20, Issue 24, pp. 26521-26527 (2012)

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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.

© 2012 OSA

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7150) Ultrafast optics : Ultrafast spectroscopy

ToC Category:
Nonlinear Optics

Original Manuscript: September 13, 2012
Revised Manuscript: October 24, 2012
Manuscript Accepted: October 28, 2012
Published: November 12, 2012

Chaojin Zhang, Jinping Yao, Jielei Ni, and Fadhil A. Umran, "Enhanced harmonic emission from a polar molecule medium driven by few-cycle laser pulses," Opt. Express 20, 26521-26527 (2012)

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