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Proceedings Paper

Resonant spectroscopy of individual CdSe quantum sots containing single Mn2+ ions in (Zn,Cd)Se barrier
Author(s): Justyna Piwowar
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Paper Abstract

Spectroscopy of individual CdSe Quantum Dots embedded in an innovative type Zn1-xCdxSe (xCd of up to 0.3) barrier of lower energy than a typical ZnSe one, is reported. A polarization transfer efficiency of up to -26.1% for the Quantum Dot without a Mn2+ ion and optical addressing of the QD embedding a single Mn2+ ion using a quasi-resonant excitation is demonstrated. Thanks to a shifting of QD emission energy below Mn2+ intraionic transition, operation of the studied QDs doped with several Mn2+ ions should be feasible without a loss of the QD quantum yield. This is beneficial for implementation of the presented Quantum Dots in magnetooptical devices operating in the visible spectral range.

Paper Details

Date Published: 26 August 2015
PDF: 6 pages
Proc. SPIE 9553, Low-Dimensional Materials and Devices, 95530I (26 August 2015); doi: 10.1117/12.2188104
Show Author Affiliations
Justyna Piwowar, Univ. of Warsaw (Poland)

Published in SPIE Proceedings Vol. 9553:
Low-Dimensional Materials and Devices
Nobuhiko P. Kobayashi; A. Alec Talin; M. Saif Islam; Albert V. Davydov, Editor(s)

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