Magneto-optics of layers of semiconductor quantum dots and nano-rings

• Main Author: Voskoboynikov,O.
• Publication Date: 2006
• Other Authors: Wijers,C. M. J., Liu,J. L., Lee,C. P.
• Format: Article
• Language: eng
• Source: Brazilian Journal of Physics
• Download full: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332006000300040
• topic: Magneto-optical response; Semiconductor quantum dots; Nano-rings

We have studied the collective magneto-optical response of layers of semiconductor quantum dots and nano-rings. Expressions for both the polarizability of the individual nano-objects have been used to determine the magneto-optical response on square two-dimensional lattices on those nano-objects as a function on frequency, magnetic field and angle of incidence. The magnetic field dependence of the response for layers of rings gives rise to the Aharonov-Bohm type oscillatory behavior in the reflectance and absorbance that can be measurable. Layers of dots do not display any remarkable magnetic field dependence.