Hannover 2013 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 35: Poster I
Q 35.8: Poster
Dienstag, 19. März 2013, 16:00–18:30, Empore Lichthof
Single calcium-40 ions as quantum memories for single-photon polarization — •Philipp Müller, Joyee Ghosh, and Jürgen Eschner — Quantenphotonik, Universität des Saarlandes, Campus E 2.6, 66123 Saarbrücken, Germany
The controlled transfer of quantum states from one system to another is a cornerstone in the realization of quantum networks.
Here we present an overview of several schemes of storing polarization states of single photons in single 40Ca+ ions. We compare the requirements, efficiencies and possible applications of these schemes with respect to the preparation of the absorber state, the absorption process and its analysis. These schemes can be used to create and herald entanglement of two (distant) ions through entanglement swapping from photon pairs onto the ions [1].
[1] S. Lloyd et al., PRL 87, 167903 (2001)