Photon spin-to-orbital angular momentum conversion via an electrically tunable q-plate
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Exploiting electro-opticeffects in liquid crystals, we achieved real-time control of the retardation of liquid-crystal-basedq-plates through an externally applied voltage. Electro-opticq-plates can be operated as electrically driven converters of photon spin into orbital angular momentum, enabling a variation of the orbital angular momentum probabilities of the output photons over a time scale of milliseconds.
Applied Physics Letters
© 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in [citation of published article] and may be found at dx.doi.org/10.1063/1.352708.
Photonics, Optoelectronics and Optical Communications
Optical Physics not elsewhere classified