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Tunable Raman photons in singly charged p-doped quantum dots

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Carreño Sánchez, Fernando and Antón Revilla, Miguel Ángel (2016) Tunable Raman photons in singly charged p-doped quantum dots. Physical Review B - Condensed Matter and Materials Physics, 93 (12). ISSN 1098-0121

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Official URL: http://dx.doi.org/10.1103/PhysRevB.93.125301




Abstract

The obtention of spontaneous Raman photons is analyzed in singly charged p-doped quantum dots in the absence of an external magnetic field. The use of a far detuned single driving laser allows to obtain a Raman photon line which exhibits subnatural linewidth, and whose center can be tuned by changing the detuning and/or the Rabi frequency of the driving field. The Raman photons are produced along the undriven transition and they arise from the weak interaction of the trion states with the nuclear spins. The operating point for the gate voltage of the heterostructure can also be used to modify the linewidth and the peak value of the fluorescent signal.


Item Type:Article
Uncontrolled Keywords:Quantum dots ; Raman photons ; Lasers
Subjects:Sciences > Physics > Nuclear physics
Sciences > Physics > Quantum theory
Medical sciences > Optics > Physical optics
ID Code:36206
Deposited On:13 May 2016 10:20
Last Modified:13 May 2016 10:51

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