Saturday, January 24, 2009

Quantum Dots


A novel QD-molecule system is realized using metal-organic vapor-phase epitaxy growth. The dots are tunnel coupled via connected quantum wires (QWRs). The stronger tunnel coupling in this integrated QD-QWR system allows the hybridization of both electron and hole states, yielding direct-real-space excitonic molecules (see image). The structure holds promise for nanophotonic devices for quantum-information-processing applications.

Qing Zhu, K. Fredrik Karlsson, Marcin Byszewski, Alok Rudra, Emanuele Pelucchi, Zhanbing He, Eli KaponPublished Online: Jan 20 2009
interscience.wiley.com

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