Abstract:
Semiconductor nanodevices, like nanotransistors, can play a significant role in the information processing in optical communications. Theoretical analysis shows that a single quantum dot connected to two electric contacts, and a gate, can display a property of spontaneous generation of a voltage between the attached wires, or an electric current. This property is due to the multiple scattering of charge carriers on the optical phonon vibrations, and due to a certain asymmetry in the electric contacts. The theoretical estimate of this property will be compared with recent experimental observations [1,2].

[1] D. Ullien, H. Cohen, D. Porath, Nanotechnology 18 (2007) 424015.
[2] D. W. Horsell, A. K. Savchenko, Y. M. Galperin, V. I. Kozub, V. M. Vinokur, D. A. Ritchie, Europhys. Lett. 71 (2005) 658.