Volume 77, Number 4, February 2007
Article Number 47003
Number of page(s) 3
Section Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties
Published online 06 February 2007
EPL, 77 (2007) 47003
DOI: 10.1209/0295-5075/77/47003

Fine structure of exciton luminescence in a quantum ring under external electromagnetic radiation

V. M. Kovalev and A. V. Chaplik

Institute of Semiconductor Physics, Siberian Branch of The Russian Academy of Science - Novosibirsk, 630090, Russia

received 25 October 2006; accepted in final form 18 December 2006; published February 2007
published online 6 February 2007

The luminescence spectrum of the exciton localized in a quantum ring under external low-frequency radiation acquires a specific fine structure. The positions and intensities of the satellites are calculated both for small and large intensity of the external field.

71.35.-y - Excitons and related phenomena.
71.35.Cc - Intrinsic properties of excitons; optical absorption spectra.
78.67.-n - Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures.

© Europhysics Letters Association 2007