A quantum dot single-photon source with on-the-fly all-optical polarization control and timed emission

D. Heinze, D. Breddermann, A. Zrenner, S. Schumacher, Nature Communications 6 (2015).

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Journal Article | Published | English
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Abstract
Sources of single photons are key elements for applications in quantum information science. Among the different sources available, semiconductor quantum dots excel with their integrability in semiconductor on-chip solutions and the potential that photon emission can be triggered on demand. Usually, the photon is emitted from a single-exciton ground state. Polarization of the photon and time of emission are either probabilistic or pre-determined by electronic properties of the system. Here, we study the direct two-photon emission from the biexciton. The two-photon emission is enabled by a laser pulse driving the system into a virtual state inside the band gap. From this intermediate state, the single photon of interest is then spontaneously emitted. We show that emission through this higher-order transition provides a versatile approach to generate a single photon. Through the driving laser pulse, polarization state, frequency and emission time of the photon can be controlled on-the-fly.
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Nature Communications
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6
Issue
1
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Heinze D, Breddermann D, Zrenner A, Schumacher S. A quantum dot single-photon source with on-the-fly all-optical polarization control and timed emission. Nature Communications. 2015;6(1). doi:10.1038/ncomms9473
Heinze, D., Breddermann, D., Zrenner, A., & Schumacher, S. (2015). A quantum dot single-photon source with on-the-fly all-optical polarization control and timed emission. Nature Communications, 6(1). https://doi.org/10.1038/ncomms9473
@article{Heinze_Breddermann_Zrenner_Schumacher_2015, title={A quantum dot single-photon source with on-the-fly all-optical polarization control and timed emission}, volume={6}, DOI={10.1038/ncomms9473}, number={1}, journal={Nature Communications}, publisher={Springer Nature}, author={Heinze, Dirk and Breddermann, Dominik and Zrenner, Artur and Schumacher, Stefan}, year={2015} }
Heinze, Dirk, Dominik Breddermann, Artur Zrenner, and Stefan Schumacher. “A Quantum Dot Single-Photon Source with on-the-Fly All-Optical Polarization Control and Timed Emission.” Nature Communications 6, no. 1 (2015). https://doi.org/10.1038/ncomms9473.
D. Heinze, D. Breddermann, A. Zrenner, and S. Schumacher, “A quantum dot single-photon source with on-the-fly all-optical polarization control and timed emission,” Nature Communications, vol. 6, no. 1, 2015.
Heinze, Dirk, et al. “A Quantum Dot Single-Photon Source with on-the-Fly All-Optical Polarization Control and Timed Emission.” Nature Communications, vol. 6, no. 1, Springer Nature, 2015, doi:10.1038/ncomms9473.

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