Direct optical excitation of a fullerene-incarcerated metal ion

Details Direct optical excitation of a fullerene-incarcerated metal ion Direct optical excitation of a fullerene-incarcerated metal ion

2006-04-18

arxiv.org/abs/quant-ph/0604131v3

Chem. Phys. Lett. 428, 303 (2006)

Physics

Quantum Physics

Scientific paper

10.1016/j.cplett.2006.06.094

The endohedral fullerene Er3N@C80 shows characteristic 1.5 micron photoluminescence at cryogenic temperatures associated with radiative relaxation from the crystal-field split Er3+ 4I13/2 manifold to the 4I15/2 manifold. Previous observations of this luminescence were carried out by photoexcitation of the fullerene cage states leading to relaxation via the ionic states. We present direct non-cage-mediated optical interaction with the erbium ion. We have used this interaction to complete a photoluminescence-excitation map of the Er3+ 4I13/2 manifold. This ability to interact directly with the states of an incarcerated ion suggests the possibility of coherently manipulating fullerene qubit states with light.

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