Optical properties of polaronic excitons in stacked quantum dots

Details Optical properties of polaronic excitons in stacked quantum dots Optical properties of polaronic excitons in stacked quantum dots

2003-11-14

arxiv.org/abs/cond-mat/0311348v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, 3 figures,submitted to Phys. Rev. B, E-mail addresses: vladimir.gladilin@ua.ac.be, sergei.klimin@ua.ac.be, vladimir.f

Scientific paper

10.1103/PhysRevB.69.155325

We present a theoretical investigation of the optical properties of polaronic excitons in stacked self-assembled quantum dots, which is based on the non-adiabatic approach. A parallelepiped-shaped quantum dot is considered as a model for a self-assembled quantum dot in a stack. The exciton-phonon interaction is taken into account for all phonon modes specific for these quantum dots (bulk-like, half-space and interface phonons). We show that the coupling between stacked quantum dots can lead to a strong enhancement of the optical absorption in the spectral ranges characteristic for phonon satellites.

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