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Emission of THz radiation from optically excited coherent plasmons in a two-dimensional electron gas

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8 Author(s)
Vosseburger, M. ; Inst. fur Halbleitertechnik, Tech. Hochschule Aachen, Germany ; Roskos, H.G. ; Wolter, F. ; Waschke, C.
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Summary form only given. The radiative decay of grating-coupled plasmons in a two-dimensional (2D) electron gas in semiconductor heterostructures is an interesting candidate for a solid-state terahertz (THz) radiation source. We present the first observation of the emission of submillimeter radiation from optically excited coherent two-dimensional plasma oscillations at an AlGaAs-GaAs heterojunction. The surface of the sample is covered with a grating coupler, allowing the coupling of the plasmons to the THz field.

Published in:

Quantum Electronics and Laser Science Conference, 1996. QELS '96., Summaries of Papers Presented at the

Date of Conference:

7-7 June 1996