Microfabricated ion traps

Ion traps offer the opportunity to study fundamental quantum systems with a high level of accuracy highly decoupled from the environment. Individual atomic ions can be controlled and manipulated with electric fields, cooled to the ground state of motion with laser cooling and coherently manipulated...

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Bibliographic Details
Published in:Contemporary physics 2011-11, Vol.52 (6), p.505-529
Main Authors: Hughes, Marcus D., Lekitsch, Bjoern, Broersma, Jiddu A., Hensinger, Winfried K.
Format: Article
Language:English
Subjects:
Accuracy
anomalous heating
Arrays
Coherence
Design engineering
Electric fields
Ground state
Heating
Ingredients
ion traps
Ions
Laser cooling
laser cooling and trapping
microfabrication
Microwaves
quantum information processing
Quantum physics
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Summary:Ion traps offer the opportunity to study fundamental quantum systems with a high level of accuracy highly decoupled from the environment. Individual atomic ions can be controlled and manipulated with electric fields, cooled to the ground state of motion with laser cooling and coherently manipulated using optical and microwave radiation. Microfabricated ion traps hold the advantage of allowing for smaller trap dimensions and better scalability towards large ion trap arrays also making them a vital ingredient for next generation quantum technologies. Here we provide an introduction into the principles and operation of microfabricated ion traps. We show an overview of material and electrical considerations which are vital for the design of such trap structures. We provide guidance on how to choose the appropriate fabrication design, consider different methods for the fabrication of microfabricated ion traps and discuss previously realised structures. We also discuss the phenomenon of anomalous heating of ions within ion traps, which becomes an important factor in the miniaturisation of ion traps.
ISSN:0010-7514
1366-5812
DOI:10.1080/00107514.2011.601918