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Collecting more than half the fluorescence photons from a single ion

MPS-Authors
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Maiwald,  Robert
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Golla,  Andrea
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Fischer,  Martin
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Bader,  Marianne
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Heugel,  Simon
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

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Chalopin,  Benoit
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Sondermann,  Markus
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Leuchs,  Gerd
Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Maiwald, R., Golla, A., Fischer, M., Bader, M., Heugel, S., Chalopin, B., et al. (2012). Collecting more than half the fluorescence photons from a single ion. PHYSICAL REVIEW A, 86(4): 043431. doi:10.1103/PhysRevA.86.043431.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-686B-4
Abstract
We demonstrate the trapping of a single ion in the focus of a deep parabolic mirror that covers 81% of the solid angle surrounding the ion. Accounting for the reflectivity of the mirror we infer a photon collection efficiency of 54.8% for our setup. The underlying experimentally detected maximum fluorescence rate is 1.91 x 10(6) s(-1) from a single Yb-174(+) ion, mainly limited by the quantum efficiency of our photon detector. Besides the high collection efficiency, the integration of an ion trap into a parabolic mirror is a key ingredient for efficient coupling of light to a single ion in free space.