29/05/2012 - 16:00
29/05/2012 - 17:00

Photonics Seminar Series 2011/2012 - "Interfacing quantum dots to atomic vapors"

Interfacing quantum dots to atomic vapors
Dr Val Zwiller, Kavli Institute of Nanoscience, TU Delft, The Netherlands
Main Conference Room
At Tyndall


Artifical and natural atoms offer complementary properties where quantum dots are scalable sources of non-classical light while atomic vapoours offer long coherence times and frequency standards. Using specially designed GaAs/AlGaAs quantum dots, we demonstrate coupling of the emission from a single quantum dot to a rubidium vapour, enabling the combination of solid state and atomic systems. Our hybrid artificial-natural atoms systems enable experiments such as slow light at the single photon level, frequency locking of a single quantum dot to counteract spectral wandering, to make a set of quantum dot indistinguishable in their emission and quantum memories where light generated by a quantum dot could be stored in an atomic vapor.

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