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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • 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)
http://dx.doi.org/10.1364/OL.34.003280


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Abstract

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

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

Citation
D. F. Gordon, B. Hafizi, and A. Ting, "Nonlinear conversion of photon spin to photon orbital angular momentum," Opt. Lett. 34, 3280-3282 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3280

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Supplementary Material


» Media 1: MOV (1243 KB)     
» Media 2: MOV (26753 KB)     

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