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Spin switching in a Mn-doped quantum dot using the optical Stark effect

Title data

Reiter, Doris ; Kuhn, Tilmann ; Axt, Vollrath M.:
Spin switching in a Mn-doped quantum dot using the optical Stark effect.
In: Physical Review B. Vol. 85 (2012) Issue 4 . - Art.Nr. 045308, 5 S..
ISSN 0163-1829
DOI: https://doi.org/10.1103/PhysRevB.85.045308

Abstract in another language

In a single quantum dot doped with a single Mn atom, ultrafast optical control can be used to coherently manipulate the Mn spin state. Here we show that due to the optical Stark effect induced by a detuned laser pulse the Mn spin can be efficiently flipped by one during the action of the pulse. We discuss the influence of different pulse envelopes on the flipping process. We then show how this flipping mechanism can be used in a switching protocol to address all Mn spin states selectively and point out the advantage of exploiting the optical Stark effect compared to previously proposed methods.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: magnetic quantum dot; ultrafast dynamics; spintronics; exchange interaction; nonlinear optics; coherent control; optical control; spin control; all optical spin control; Mn doped quantum dot; spin switching; optical Stark effect
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 02 Nov 2017 07:03
Last Modified: 02 Nov 2017 07:03
URI: https://eref.uni-bayreuth.de/id/eprint/40240