Engineering of Microfabricated Ion Traps and Integration of Advanced On-Chip Features
arXiv:1908.00267 · doi:10.1038/s42254-020-0182-8
Abstract
Trapped atomic ions are a proven and powerful tool for the fundamental research of quantum physics. They have emerged in recent years as one of the most promising candidates for several practical technologies including quantum computers, quantum simulators, atomic clocks, mass spectrometers and quantum sensors. Advanced fabrication techniques, taken from established and nascent disciplines, are being deployed to create novel, reliable devices with a view to large scale integration and commercial compatibility. This review will cover the fundamentals of ion trapping before proceeding with a discussion of the design of ion traps for the aforementioned applications. We will analyse current microfabrication techniques that are being utilised, as well as various considerations which motivate the choice of materials and processes. Finally, we discuss current efforts to include advanced, on-chip features into next generation ion traps.
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