Photon hole-current drag in germanium |
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| Authors: | L E Vorob’ev D V Donetskii D A Firsov |
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| Institution: | (1) St. Petersburg State Technical University, ul. Politekhnicheskaya 29, St. Petersburg, 195251, Russia;(2) State University of New York at Stony Brook, New York, 11794-3800, USA |
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| Abstract: | A novel phenomenon of photon hole-current drag in hole semiconductors was observed for the first time. The effect was observed in p-Ge and consisted in the appearance of a difference in refractive indices for light propagating along an electric current and in the opposite direction. The effect was observed at a wavelength of 10.6 μm. It can be explained in terms of virtual intersubband transitions of hot holes. |
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