E. del Valle et al 2007 EPL 80 57001 doi:10.1209/0295-5075/80/57001
E. del Valle, F. P. Laussy and C. Tejedor
Show affiliationsWe propose a quantum transport experiment to prepare and measure charge-entanglement between two electrostatically defined quantum dots. Coherent population trapping, as realized in cavity quantum electrodynamics, can be carried out by using a third quantum dot to play the role of the optical cavity. In our proposal, a pumping which is quantum mechanically indistinguishable for the quantum dots drives the system into a state with a high degree of entanglement. The whole effect can be switched on and off by means of a gate potential allowing both state preparation and entanglement detection by simply measuring the total current.
Issue 5 (December 2007)
Received 11 September 2007, accepted for publication 2 October 2007
Published 25 October 2007
E. del Valle et al 2007 EPL 80 57001
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