Microcavity-mediated Coupling of Two Distant Semiconductor Qubits

Details Microcavity-mediated Coupling of Two Distant Semiconductor Qubits Microcavity-mediated Coupling of Two Distant Semiconductor Qubits

2009-08-09

arxiv.org/abs/0908.1161v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

16 pages, 4 figures

Scientific paper

Long distance (1.4 micron) interaction of two different InAs/GaAs quantum dots in a photonic crystal microcavity is observed. Resonant optical excitation in the p-state of any of the quantum dots, results in an increase of the s-state emission of both quantum dots and the cavity mode. The cavity-mediated coupling can be controlled by varying the excitation intensity. These results represent an experimental step towards the realization of quantum logic operations using distant solid state qubits.

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