Journal
PHYSICAL REVIEW LETTERS
Volume 85, Issue 19, Pages 4148-4151Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.4148
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We propose a new transport mechanism through tunnel-coupled quantum dots based on the coherent population trapping effect. Coupling to an excited level by the coherent radiation of two microwaves can lead to an extremely narrow current antiresonance. The effect can be used to determine interdot dephasing rates and is a mechanism for a very sensitive, optically controlled current switch.
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