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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3280–3282

Nonlinear conversion of photon spin to photon orbital angular momentum

D. F. Gordon, B. Hafizi, and A. Ting  »View Author Affiliations

Optics Letters, Vol. 34, Issue 21, pp. 3280-3282 (2009)

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A relativistically intense, ultrashort laser pulse with purely spin angular momentum produces second-harmonic radiation with equal parts of both spin and orbital angular momentum when focused into a plasma. The orbital contribution is due to an azimuthal phase variation that arises in the nonlinear current density. This phase variation is associated with the radial nonuniformity driven by ponderomotive blowout.

© 2009 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: August 12, 2009
Manuscript Accepted: September 15, 2009
Published: October 22, 2009

D. F. Gordon, B. Hafizi, and A. Ting, "Nonlinear conversion of photon spin to photon orbital angular momentum," Opt. Lett. 34, 3280-3282 (2009)

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