Ratchet effects induced by terahertz radiation in heterostructures with a lateral periodic potential.

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Summary

In addition to the polarization-independent current due to the Seebeck ratchet effect, a photon helicity dependent response is observed and a microscopic mechanism to interpret the experimental findings is proposed.

Type
article
Published
2008-08-14
Cited by
51
References
4
Access
Open access

Keywords

Terahertz radiation, Ratchet effect, Optics, Photocurrent, Grating

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