Mainz 2017 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 12: Nano-Optics I

Q 12.8: Talk

Monday, March 6, 2017, 18:45–19:00, P 11

Time reordering of paired photons in a dressed three-level cascade — •Max Strauss, Samir Bounouar, Alexander Carmele, Peter Schnauber, Alexander Thoma, Manuel Gschrey, Jan-Hindrik Schulze, Andre Strittmatter, Sven Rodt, Andreas Knorr, and Stephan Reitzenstein — TU Berlin, Hardenbergstrass e 36, 10623 Berlin

The biexcitonic cascade in semiconductor quantum dots can act as a versatile tool for quantum optical experiments, e.g. as a source of polarisation or time-bin entangled photons. In our experiments, we use continuous-wave two-photon excitation to resonantly excite this three level system and observe the emergence of dressed states under strong excitation. Likewise, we evidence the coherent interaction by the observation of two-photon Rabi oscillations in the time domain. Finally, using photon correlation experiments we demonstrate that the time ordering of the emitted photons in the dressed cascade can be manipulated by increasing the strength of the driving laser field.