Fast control of quantum states in quantum dots: limits due to decoherence
Pawel Machnikowski, Lucjan Jacak
TL;DR
This paper investigates how decoherence limits the speed of quantum state control in quantum dots under rapid optical manipulation.
Contribution
It provides an analysis of the decoherence effects that constrain fast quantum control in quantum dot systems.
Findings
Decoherence imposes fundamental speed limits on quantum control.
Fast optical driving can be hindered by phonon interactions.
The study quantifies the maximum achievable control speeds.
Abstract
We study the kinetics of confined carrier-phonon system in a quantum dot under fast optical driving and discuss the resulting limitations to fast coherent control over the quantum state in such systems.
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Taxonomy
TopicsSemiconductor Quantum Structures and Devices · Quantum and electron transport phenomena · Quantum optics and atomic interactions