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10 September 2019 Ultrafast spin dynamics and control in single quantum emitters (Conference Presentation)
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Abstract
Reliable storage and manipulation of spin coherence is at the heart of quantum information processors. Isolated singly-charged semiconductor quantum dots (QDs) are typically characterized by bright ground state emission and hold promise as efficient spin-to-photon interfaces. Ultrafast interactions in condensed phase could enable high-bandwidth information processors, with an additional possibility to engineer quantum properties of light on sub-picosecond timescales. Toward these goals, we employ multi-color femtosecond write and readout pulses to analyze intrinsic spin dynamics in isolated singly-charged epitaxial CdSe/ZnSe QDs. With this we demonstrate control over single-photon-added amplification as well trion quatnum beats, arising from long intraband coherence.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Denis V. Seletskiy, Christian Traum, and Alfred Leitenstorfer "Ultrafast spin dynamics and control in single quantum emitters (Conference Presentation)", Proc. SPIE 11090, Spintronics XII, 1109011 (10 September 2019); https://doi.org/10.1117/12.2531175
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