Nonlinear conversion of photon spin to photon orbital angular momentum
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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