Semi conductor nanowires as single photon emitters
Amongst solid state single photon emitters developed during the last years, semi conductor quantum dots proved to be the most promising systems for their implementation in devices and for their integrability in various composite structures. Until now, they suffered from their low resistance to temperature induced non radiative processes. We present a special type of quantum dots, composed by a CdSe slice inserted in a Znse nanowire. We demonstrate their ability to emit single photons at room temperature, this is the first time for an epitaxied structure, and describe their original fine structure. We also studied the coherence of the emitter and probed its energy statistic by photon correlation techniques, evaluating the contributions of the different decoherence processes such as phonon coupling or spectral diffusion on the emitter spectrum.
Event date: 25.01.2012, 14:30 to 25.01.2012, 16:00Speaker: Samir Bounouar; Institut Neel-CNRS, Grenoble, France
Location: IQOQI Seminar Room, 2nd Floor, Boltzmanngasse 3, 1090 Vienna
