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Q: Fachverband Quantenoptik und Photonik

Q 23: Poster 2: Intersectional Session

Q 23.43: Poster

Dienstag, 15. März 2011, 18:00–21:00, P1

Microstructured ion traps for microwave-based quantum information — •Muhammad Tanveer Baig, Thomas Collath, Michael Johanning, Delia Kaufmann, and Christof Wunderlich — Fachbereich Physik, Universität Siegen, 57068 Siegen

Ion trap based quantum computing has proven its prominent position for a future quantum computer and laser cooled ions held in microstructured segmented linear Paul traps (micro-traps) are particularly promising candidates. A large number of DC electrodes in micro-traps are very useful for shuttling and separating the trapped ions as well as for controlling the range and magnitude of the spin-spin coupling between the ions. We will use Magnetic Gradient Induced Coupling (MAGIC) to address individual trapped (Yb+) ion and do laser-less quantum information with microwave pulses controlling the qubits. Our recent setup provides a ceramic chip carrier; this acts as the mechanic base for the micro-structured trap chip and as a vacuum interconnect using thick film technology; furthermore it permits very short distances to low pass filtering circuits. A glass cap allows good optical and microwave access. The recent results will be presented.