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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 2 — Jan. 15, 2013
  • pp: 223–225

Generation of high-order harmonics with controllable elliptical polarization

Avner Fleischer, Pavel Sidorenko, and Oren Cohen  »View Author Affiliations


Optics Letters, Vol. 38, Issue 2, pp. 223-225 (2013)
http://dx.doi.org/10.1364/OL.38.000223


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Abstract

We propose and numerically demonstrate a method for obtaining high-harmonic radiation with desirable elliptical polarization. Atoms are shined by a combination of a strong linearly-polarized laser field and an additional weak field, which is elliptically polarized in a plane perpendicular to the polarization direction of the strong field. The strong driver ionizes and recollides electrons with their parent ion, while the weak field perturbatively drives the electrons away from “head-on” collision. Upon recombination, new elliptically polarized harmonics with same ellipticity as the weak driver are emitted at efficiency which linearly depends on the intensity of the weak beam, but is independent of its elilipticity.

© 2013 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(270.4180) Quantum optics : Multiphoton processes
(270.6620) Quantum optics : Strong-field processes

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 5, 2012
Manuscript Accepted: December 6, 2012
Published: January 14, 2013

Citation
Avner Fleischer, Pavel Sidorenko, and Oren Cohen, "Generation of high-order harmonics with controllable elliptical polarization," Opt. Lett. 38, 223-225 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-2-223

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