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* TITLE Optically driven qubits in artificial molecules
* SPEAKERS
Name Affiliation E-mail
Jung Hyun Oh Univ. of Seoul
* HOST(Applicant)
Name Affiliation E-mail
-
* DATE / TIME 2001-09-07, 16:00 - 17:30
* PLACE KIAS Room 1423
* ABSTRACT
We present models of quantum gates based on coupled quantum dots in which a qubit is regarded as the superposition of ground states in each dot. Coherent control on the qubit is performed by a monochromatic light pulse illuminated on the quantum dots. Considering particular types of artificial molecules, we show that the qubit is easily manipulated with the polarization and frequency of a light pulse and, especially, the controlled-NOT operation can be possible exploiting the electron-electron interaction.
 
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