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Studies from University of Szczecin Provide New Data on Quantum Dots (Detuning-Dependent Narrowing of Mollow Triplet Lines of Driven Quantum Dots)

August 5, 2014

By a News Reporter-Staff News Editor at Physics Week -- Data detailed on Quantum Dots have been presented. According to news reporting originating from Szczecin, Poland, by VerticalNews correspondents, research stated, "We study the two-time correlation function and the resonance fluorescence spectrum of a semi-conductor quantum dot excited by a strong off-resonant laser pulse. The obtained analytic expressions exhibit a specific detuning-dependent damping of Rabi oscillations of the dressed quantum dot as well as a detuning-dependent width of Mollow triplet lines."

Our news editors obtained a quote from the research from the University of Szczecin, "In the absence of pure dephasing, the central peak of the triplet is broadened upon increasing detuning, but the blue- and red-side peaks are narrowed. We demonstrate that the pure dephasing processes can invert these dependences. A crossover between the regimes of detuning-dependent narrowing and broadening of the side and central peaks is identified."

According to the news editors, the research concluded: "The predicted effects are consistent with recent experimental results and numerical calculations."

For more information on this research see: Detuning-Dependent Narrowing of Mollow Triplet Lines of Driven Quantum Dots. Journal of Experimental and Theoretical Physics, 2014;118(4):655-661. Journal of Experimental and Theoretical Physics can be contacted at: Maik Nauka, Interperiodica, Springer, 233 Spring St, New York, NY 10013-1578, USA. (Pleiades Publishing -

The news editors report that additional information may be obtained by contacting A.P. Saiko, Univ Szczecin, Inst Phys, PL-70451 Szczecin, Poland. Additional authors for this research include R. Fedaruk and S.A. Markevich.

Keywords for this news article include: Poland, Europe, Szczecin, Quantum Dots, Nanotechnology, Quantum Physics, Emerging Technologies

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Source: Physics Week

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