Coherent population transfer in a chain of tunnel coupled quantum dots

Details Coherent population transfer in a chain of tunnel coupled quantum dots Coherent population transfer in a chain of tunnel coupled quantum dots

2007-06-11

arxiv.org/abs/0706.1478v1

Opt. Commun. 264, 419 (2006)

Physics

Quantum Physics

Scientific paper

10.1016/j.optcom.2005.12.082

We consider the dynamics of a single electron in a chain of tunnel coupled quantum dots, exploring the formal analogies of this system with some of the laser-driven multilevel atomic or molecular systems studied by Bruce W. Shore and collaborators over the last 30 years. In particular, we describe two regimes for achieving complete coherent transfer of population in such a multistate system. In the first regime, by carefully arranging the coupling strengths, the flow of population between the states of the system can be made periodic in time. In the second regime, by employing a "counterintuitive" sequence of couplings, the coherent population trapping eigenstate of the system can be rotated from the initial to the final desired state, which is an equivalent of the STIRAP technique for atoms or molecules. Our results may be useful in future quantum computation schemes.

Affiliated with

Also associated with

No associations

Rating

Coherent population transfer in a chain of tunnel coupled quantum dots does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Coherent population transfer in a chain of tunnel coupled quantum dots, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coherent population transfer in a chain of tunnel coupled quantum dots will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-179481