Phonon-Wave-Induced Resonance Fluorescence in Semiconductor Nanostructures: Acoustoluminescence in the Terahertz Range

Phys. Rev. Lett. 98, 027401 (2007)

K. J. Ahn, F. Milde, and A. Knorr
Institut für Theoretische Physik, Nichtlineare Optik und Quantenelektronik, Technische Universität Berlin, Hardenbergstraße 36, PN 7-1 10623 Berlin, Germany

(Received 10 November 2005; published 8 January 2007)

Acoustic wave excitation of semiconductor quantum dots generates resonance fluorescence of electronic intersublevel excitations. Our theoretical analysis predicts acoustoluminescence, in particular, a conversion of acoustic into electromagnetic THz waves over a broad spectral range.
URL: http://link.aps.org/abstract/PRL/v98/e027401