Applied Physics B

, Volume 106, Issue 2, pp 327–338 | Cite as

Optimum electrode configurations for fast ion separation in microfabricated surface ion traps

  • A. H. Nizamani
  • W. K. HensingerEmail author


For many quantum information implementations with trapped ions, effective shuttling operations are important. Here, we discuss the efficient separation and recombination of ions in surface ion trap geometries. The maximum speed of separation and recombination of trapped ions for adiabatic shuttling operations depends on the secular frequencies the trapped ion experiences in the process. Higher secular frequencies during the transportation processes can be achieved by optimising trap geometries. We show how two different arrangements of segmented static potential electrodes in surface ion traps can be optimised for fast ion separation or recombination processes. We also solve the equations of motion for the ion dynamics during the separation process and illustrate important considerations that need to be taken into account to make the process adiabatic.


Trap Depth Secular Frequency Trap Electrode Anomalous Heating Motional Excitation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the UK Engineering and Physical Sciences Research Council (EP/E011136/1, EP/G007276/1), the European Commission’s Sixth Framework Marie Curie International Reintegration Programme (MIRG-CT-2007-046432), the Nuffield Foundation, and the University of Sussex.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Department of Physics and AstronomyUniversity of SussexBrightonUK

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