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Q: Fachverband Quantenoptik und Photonik

Q 47: Quantum Information: Quantum Computing and Communication I

Q 47.6: Vortrag

Donnerstag, 3. März 2016, 12:15–12:30, e214

A single ion coupled to UV fiber-cavity — •Timothy Ballance^1,2, Ashwin Boddeti¹, Matthias Steiner⁴, Hendrik M. Meyer¹, Jakob Reichel³, and Michael Köhl¹ — ¹Physikalisches Institut, Universität Bonn — ²Cavendish Laboratory, University of Cambridge — ³Laboratoire Kastler-Brossel, ENS Paris — ⁴Present Address: Centre for Quantum Technologies, National University of Singapore

We investigate a single trapped ion coupled to an optical fiber-cavity for use as a node in a quantum network. So far ions and fiber-cavities have been successfully combined in the infra-red spectral range. Since the strongest transitions in ions are within the ultra-violet, the extension of ion traps to work with UV fiber-cavities paves the way to larger coupling factors, which are of great interest for single photon production as well as for cavity based state detection. We will present our latest results on trapping Ytterbium ions inside approximately 150µm long fiber-cavities, which are resonant with the S_1/2−P_1/2 electric dipole transition at 370nm.