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Lecture Nika Akopian


25 september 2012 FWN-Building 5118.0152, Nijenborgh 4, 9747 AG, Groningen
Speaker: Dr. Nika Akopian
Affiliation: Delft Univesity of Technology
Title: Hybrid quantum systems
Date: Tue Sep 25, 2012
Start: 14.00
Location: FWN-Building 5118.-152
Host: C.H. van der Wal
Telephone: +31 50 363 4974


I will present a hybrid quantum system that we developed by bridging two fields of physics: semiconductors and atomic physics [1]. Our system consists of a single artificial atom (semiconductor part) and natural atoms (atomic part), and combines the key advantages of both constituents. Using this system we have developed a universal source of indistinguishable single-photons, by frequency-locking an artificial atom to natural atoms. Further, we have demonstrated non-classical light storage, where single photons are generated form an artificial atom and then stored in a vapor of natural atoms. I will also present crystal-phase quantum dots that we discovered in nanowires. They are now a novel degree of freedom in device design at the nanoscale, with exceptional crystallographic and optical properties.

[1] N. Akopian et al., Nature Photonics 5, 230 (2011).

Laatst gewijzigd:22 oktober 2012 14:31