Resonant spectroscopy of individual CdSe quantum sots containing single Mn2+ ions in (Zn,Cd)Se barrier

Justyna Piwowar

doi:10.1117/12.2188104

26 August 2015 Resonant spectroscopy of individual CdSe quantum dots containing single Mn²⁺ ions in (Zn,Cd)Se barrier

Justyna Piwowar

Proceedings Volume 9553, Low-Dimensional Materials and Devices; 95530I (2015) https://doi.org/10.1117/12.2188104
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

Spectroscopy of individual CdSe Quantum Dots embedded in an innovative type Zn_1-xCd_xSe (x_Cd 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.

Conference Presentation

Citation Download Citation

Justyna Piwowar "Resonant spectroscopy of individual CdSe quantum dots containing single Mn²⁺ ions in (Zn,Cd)Se barrier", Proc. SPIE 9553, Low-Dimensional Materials and Devices, 95530I (26 August 2015); https://doi.org/10.1117/12.2188104

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