Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2000-09-20
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
14 pages, 2 figures
Scientific paper
10.1016/S1386-9477(01)00043-1
We use the spin-polarized excitons in a single quantum dot to design optical controls for basic operations in quantum computing. We examine the ultrafast nonlinear optical processes required and use the coherent nonlinear optical responses to deduce if such processes are physically reasonable. The importance and construction of an entangled state of polarized exciton states in a single quantum dot is explained. We put our proposal in perspective with respect to a number of theoretical suggestions of utilizing the semiconductor quantum dots.
Chen Pochung
Piermarocchi Carlo
Sham L. J.
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