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Opt Express. 2009 Apr 27;17(9):7431-9.

Circularly polarized light in the single-cycle limit: The nature of highly polychromatic radiation of defined polarization.

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  • 1Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106, USA.


We have developed a general analytic description of polarized light pulses and explored the properties of circularly polarized single-cycle pulses. The temporal evolution of the electric-field vector of such spectrally broad pulses, which may be described in terms of a Hilbert transform relationship, differs significantly from the well-known behavior of quasi-monochromatic radiation. Single-cycle circularly polarized pulses are produced and characterized experimentally in the terahertz spectral region.

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