54 citations · 137 across the 6 of their papers we have counts for
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Indirect spin dephasing via charge state decoherence in optical control schemes in quantum dots
A. Grodecka, P. Machnikowski, J. Förstner
We demonstrate that an optically driven spin of a carrier in a quantum dot undergoes indirect dephasing via conditional optically induced charge evolution even in the absence of an…
Theoretical study of phonon-assisted singlet-singlet relaxation in two-electron semiconductor quantum dot molecules
A. Grodecka, P. Machnikowski, J. Förstner
Phonon-assisted singlet-singlet relaxation in semiconductor quantum dot molecules is studied theoretically. Laterally coupled quantum dot structures doped with two electrons are co…
Phonon-assisted tunneling between singlet states in two-electron quantum dot molecules
A. Grodecka, P. Machnikowski, J. Förstner
We study phonon-assisted electron tunneling in semiconductor quantum dot molecules. In particular, singlet-singlet relaxation in a two-electron doped structure is considered. The i…
Interplay and optimization of decoherence mechanisms in the optical control of spin quantum bits implemented on a semiconductor quantum dot
A. Grodecka, C. Weber, P. Machnikowski +1
We study the influence of the environment on an optically induced rotation of a single electron spin in a charged semiconductor quantum dot. We analyze the decoherence mechanisms r…
Partly noiseless encoding of quantum information in quantum dot arrays against phonon-induced pure dephasing
A. Grodecka, P. Machnikowski
We show that pure dephasing of a quantum dot charge (excitonic) qubit may be reduced for sufficiently slow gating by collectively encoding quantum information in an array of quantu…
Phonon impact on the coherent control of quantum states in semiconductor quantum dots
Anna Grodecka, Lucjan Jacak, Pawel Machnikowski +1
This chapter is devoted to the recent theoretical results on the optical quantum control over charges confined in quantum dots under influence of phonons. We show that lattice rela…