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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1350–1352

Polarization pulse shaping induced by impulsive molecular alignment in optical filamentation and application to high-order harmonic generation

M. Negro, C. Vozzi, F. Calegari, S. De Silvestri, and S. Stagira  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1350-1352 (2010)
http://dx.doi.org/10.1364/OL.35.001350


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Abstract

We investigated theoretically and experimentally the ultrafast birefringence induced by impulsive alignment in a molecular gas during optical filamentation. This phenomenon is able to substantially affect the polarization state of an ultrashort laser pulse that propagates through the aligned medium at suitable delays from a first aligning pulse. We exploited this modulation of the polarization state in order to effectively control the high-order harmonic generation (HHG) process, which is strongly dependent on the driving pulse polarization. These results open new and fascinating perspectives for the tailoring of strong-field phenomena by means of polarization pulse shaping.

© 2010 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(320.5540) Ultrafast optics : Pulse shaping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: February 3, 2010
Manuscript Accepted: March 4, 2010
Published: April 23, 2010

Citation
M. Negro, C. Vozzi, F. Calegari, S. De Silvestri, and S. Stagira, "Polarization pulse shaping induced by impulsive molecular alignment in optical filamentation and application to high-order harmonic generation," Opt. Lett. 35, 1350-1352 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1350

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