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News item: Nonlinear optics: Now in the terahertz range

Researchers have recently reported on the direct observation of a nonlinear-optical effect, occurring in the regime of single-cycle pulse of light at terahertz (THz) frequencies. They used a doped semiconductor as an efficient nonlinear medium, where the THz-range optical nonlinearity arises from the response of free-electron plasma to THz electric fields.

Posted about 1 year ago

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