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An integrated description of terahertz generation through optical rectification, charge transfer, and current surge

Wynne, Klaas and Carey, John J. (2005) An integrated description of terahertz generation through optical rectification, charge transfer, and current surge. Optics Communications, 256 (4-6). pp. 400-413. ISSN 0030-4018

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Abstract

Ultrafast terahertz pulses can be generated through a number of processes such its optical rectification in an electrooptic crystal, a current surge in a biased photoconductive antenna. or charge transfer in aligned molecules, It will be shown that all these rectification processes can be described by a single analytical formula in the frequency domain. A recipe is given for the quick calculation of terahertz waveforms generated through any rectification process and detected through electro-optic sampling. This theory is compared with experimentally measured terahertz waveforms.