Triggered single-photon emission from electrically excited quantum dotsin the red spectral range

Pulsed electrical excitation was used to excite single InP / Ga 0.51 In 0.49 P quantum dots and obtain triggered single-photon emission in the red spectral range at an excitation repetition rate of up to 200 MHz. Increased repetition rates are prevented by the finite decay-time, and autocorrelation...

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Bibliographic Details
Published in:Applied physics letters 2010-10, Vol.97 (14), p.143513-143513-3
Main Authors: Reischle, M., Kessler, C., Schulz, W.-M., Eichfelder, M., Roßbach, R., Jetter, M., Michler, P.
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Summary:Pulsed electrical excitation was used to excite single InP / Ga 0.51 In 0.49 P quantum dots and obtain triggered single-photon emission in the red spectral range at an excitation repetition rate of up to 200 MHz. Increased repetition rates are prevented by the finite decay-time, and autocorrelation measurements look similar to what is expected for dc injection above 1 GHz. Finally, it is shown that negative voltage pulses can increase the decay-rate considerably such that 1 GHz excitation rates should be possible.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3497016